Apex Expandable Multifunctional Backpack
8/11

Apex Expandable Multifunctional Backpack

This backpack offers a versatile and spacious storage solution, with a capacity that can be expanded from 22L to 38L, making it suitable for a variety of outdoor activities.

$99.00
$200.00
-51%
Expandable Capacity
Comfy &Sturdy
Water-Resistant Protection
Durable in all weather conditions
Capacity：22-38L (Suitable for 2-3 days journey)
Specification：
Normal：12"W×7"D×16.5"H （30.5*17.8*42cm）
Expand：12"W×11"D×16.5"H （30.5*30*42cm）
Weight：3lbs （1.35kg）
Color:  black
Sku : SJB231003BK
Quantity
Suitable For Hiking
Expandable From 22L to 38L
Water-Resistant Protection

Apex Multifunctional Backpack

The Apex Expandable Multifunctional Backpack is a meticulously crafted piece, constructed from water-resistant Oxford fabric to ensure durability and reliability. Despite its lightweight design, this backpack offers ample space for all your essentials, thanks to its unique circular expansion zipper that effectively doubles its capacity. With versatile carrying options, effortless organization features, and maximum accessibility, this backpack is perfectly suited for any journey, whether it's for daily commutes or adventurous travels. The exclusive designer series is available for purchase online, offering both style and functionality for the modern traveler.

Effortless Organization

The bag's capacious interior and numerous compartments allow users to effectively arrange and store a variety of items, promoting convenience and effortless retrieval of belongings.

Expandable From 22L to 38L

The backpack features a 4-inch expansion capability, allowing you to increase its overall storage capacity. The expandable design helps optimize the backpack's storage capabilities to suit your varying packing requirements.

Water-Resistant Protection

The bag has been constructed using a water-resistant material, specifically ensures the safety and protection of the items stored inside, making it an ideal choice for various activities and environments.

Convenient USB Charging Port

The Apex Expandable Multifunctional Backpack is equipped with a convenient USB charging port, offering a revolutionary solution for powering your devices while on the move.

Versatile Carrying Options

The bag's side handles offer a versatile solution for carrying, allowing it to be used as a hand-carry bag. This feature provides convenience and adaptability for a range of different situations, making it a practical choice for various needs.

Experience the epitome of style, comfort, and functionality with our Apex Expandable Multifunctional Backpack. Elevate your journey today

FAQs

What is the storage capacity of this backpack?

Our backpack offers a generous storage capacity with the added convenience of a 4-inch expandable feature. It can fit a daily commute or preparing for a 2-3 days journey.

Can this backpack fit a water bottle or other accessories?

Yes, this backpack is designed at least 5 compartments which can handle a water bottle and other accessories.

What if I’m not satisfied with my purchase? Can I return it?

Absolutely! 🎉 We have a 30-day return policy. Please make sure the product is unused and in its original packaging, and then contact our customer service team at service@zitahli.com for return instructions.

How can I check my order status?

You can check your order status by visiting our website's "Order Status" page and entering your order number. If you have any issues, feel free to contact us. For quicker assistance, please reach out to us via service@zitahli.com. 📧 We're here to help!
class SpzSmartBlockComponent extends SPZ.BaseElement { constructor(element) { super(element); this.templates_ = null; this.container_ = null; this.i18n_ = {}; this.config_ = {}; this.show_type_ = 3; this.product_resource_id_ = ''; this.collection_resource_id_ = ''; this.cart_items_ = []; this.customer_id_ = ''; this.order_id_ = ''; } static deferredMount() { return false; } isLayoutSupported(layout) { return layout == SPZCore.Layout.CONTAINER; } buildCallback() { const template_type = window.SHOPLAZZA.meta.page.template_type; if (template_type === 1) { this.show_type_ = 3; this.product_resource_id_ = window.SHOPLAZZA.meta.page.resource_id; } else if (template_type === 2) { this.show_type_ = 4; this.collection_resource_id_ = window.SHOPLAZZA.meta.page.resource_id; } else if (template_type === 15){ this.show_type_ = 5; } else if (template_type === 13){ this.show_type_ = 6; } else if (template_type === 20){ this.show_type_ = 7; this.customer_id_ = window.SHOPLAZZA.customer.customer_id; } else if (template_type === 35){ this.show_type_ = 8; this.order_id_ = window.location.pathname.split('/').pop(); } this.templates_ = SPZServices.templatesForDoc(this.element); this.setAction_(); } mountCallback() { console.log('appzebu smart mounted'); const that = this; const themeName = window.SHOPLAZZA.theme.merchant_theme_name; const isGeek = /Geek/.test(themeName); this.fetchRules().then((res) => { if (res && res.rules && res.rules.length) { const blockEl = document.getElementById('smart_recommend_block'); SPZ.whenApiDefined(blockEl).then((api) => { api.render({data: res}, true).then(() => { if (isGeek && that.show_type_ === 6) { blockEl.querySelector('.plugin_container_wrpper').style.padding = '30px 0'; } const recommendStyle = document.createElement('style'); recommendStyle.innerHTML = ` .plugin__recommend_container,.app-recommend-card { display: none !important; } `; document.head.appendChild(recommendStyle); const fetchList = []; res.rules.forEach((rule) => { fetchList.push(this.fetchRuleProductList(rule.id)); }); const fetchAll = Promise.all(fetchList); fetchAll.then((p_res) => { res.rules.forEach((rule, index) => { rule.products = p_res[index] && p_res[index].products; const ruleEl = document.getElementById('smart_recommend_rule_' + rule.id); SPZ.whenApiDefined(ruleEl).then((api) => { api.render({data: rule}, true).then(() => { that.impressListen(`#smart_recommend_rule_ul_${rule.id}`, function(){ that.trackRuleImpress(rule); }); const btnElList = document.querySelectorAll(`#smart_recommend_rule_ul_${rule.id} button`); btnElList.forEach((btnEl) => { if (btnEl && rule.config && rule.config.quick_shop_button_bg_color && rule.config.quick_shop_button_text_color) { btnEl.style.backgroundColor = rule.config.quick_shop_button_bg_color; btnEl.style.color = rule.config.quick_shop_button_text_color; } }) }); }); }); }); }) }) } else { if (window.top !== window.self) { const template_type = window.SHOPLAZZA.meta.page.template_type; const holderEl = document.getElementById('smart_recommend_preview_no_data_placeholder'); SPZ.whenApiDefined(holderEl).then((api) => { api.render({data: { isCart: template_type === 13, isCollection: template_type === 2, isProduct: template_type === 1, isIndex: template_type === 15 }}, true); }); } } }); } setAction_() { this.registerAction('quickShop', (data) => { const that = this; const product_id = data.args.product_id; const productIndex = data.args.productIndex; const rule_id = data.args.rule_id; const ssp = data.args.ssp; const scm = data.args.scm; const cfb = data.args.cfb; const ifb = data.args.ifb; const modalRender = document.getElementById('smart_recommend_product_modal_render'); if (product_id) { this.fetchProductData(product_id).then((res) => { const product = res.products && res.products.length && res.products[0] || {}; product.cfb = cfb; product.ifb = ifb; SPZ.whenApiDefined(modalRender).then((api) => { api.render({product: product, productIndex: productIndex, rule_id: rule_id, ssp: ssp, scm: scm, show_type: that.show_type_}, true).then(() => { const modalEl = document.getElementById('smart_recommend_product_modal'); SPZ.whenApiDefined(modalEl).then((modal) => { that.impressListen('#smart_recommend_product_modal', function(){ that.trackQuickShop({ rule_id: rule_id, product_id: product_id }); }); modal.open(); }); const formEl = document.getElementById('smart_recommend_product_form'); SPZ.whenApiDefined(formEl).then((form) => { form.setProduct(product); }); const variantEl = document.getElementById('smart_recommend_product_variants'); SPZ.whenApiDefined(variantEl).then((variant) => { variant.handleRender(product); }); }); }) }); } }); this.registerAction('handleScroll', (data) => { this.directTo(data.args.rule_id, data.args.direction); }); this.registerAction('handleProductChange', (data) => { const variant = data.args.data.variant; const product = data.args.data.product; const imageRenderEl = document.getElementById('smart_recommend_product_image'); SPZ.whenApiDefined(imageRenderEl).then((api) => { api.render({ variant: variant, product: product }, true); }); }); this.registerAction('handleAtcSuccess', (detail) => { const data = detail.args; data.data.product = data.data.product || {}; data.data.variant = data.data.variant || {}; const product_id = data.data.product.id; const product_title = data.data.product.title; const variant_id = data.data.variant.id; const price = data.data.variant.price; const rule_id = data.rule_id; const aid = `smart_recommend.${this.show_type_}.${rule_id}`; const ifb = data.data.product.ifb; const cfb = data.data.product.cfb; const ssp = data.ssp; const scm = data.scm; const spm = `smart_recommend_${this.show_type_}.${data.spmIndex}`; const params = { id: product_id, product_id: product_id, number: 1, name: product_title, variant_id: variant_id, childrenId: variant_id, item_price: price, source: 'add_to_cart', _extra: { aid: aid, ifb: ifb, cfb: cfb, scm: scm, spm: `..${window.SHOPLAZZA.meta.page.template_name}.${spm}`, ssp: ssp, } }; this.tranckAddToCart(params); }); this.registerAction('addATCHook', (data) => { const params = data.args; const spm = `smart_recommend_${this.show_type_}.${params.spmIndex}`; this.myInterceptor_ = window.djInterceptors && window.djInterceptors.track.use({ event: 'dj.addToCart', params: { aid: `smart_recommend.${this.show_type_}.` + params.rule_id, ssp: params.ssp, scm: params.scm, cfb: params.cfb, spm: `..${window.SHOPLAZZA.meta.page.template_name}.${spm}`, }, once: true }); }); } tranckAddToCart(detail) { if (window.$) { window.$(document.body).trigger('dj.addToCart', detail); } } fetchRules() { const payload = { show_type: this.show_type_, }; let that = this; if (this.show_type_ === 6) { let line_items = []; return this.fetchCart().then((res) => { if (res && res.cart && res.cart.line_items) { line_items = res.cart.line_items.map((item) => { return { product_id: item.product_id, variant_id: item.variant_id, quantity: item.quantity, price: item.price } }); } payload.line_items = line_items; that.cart_items_ = line_items; return that.fetchRulesRequest(payload); }); } else { if (this.show_type_ === 3) { payload.line_items = [{ product_id: this.product_resource_id_ }]; } else if (this.show_type_ === 4) { payload.collection_id = this.collection_resource_id_; } else if (this.show_type_ === 7) { payload.customer_id = this.customer_id_; } else if (this.show_type_ === 8) { payload.order_id = this.order_id_; } return this.fetchRulesRequest(payload); } } fetchRulesRequest(payload) { return fetch(window.SHOPLAZZA.routes.root + "/api/possum/recommend_query", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(payload) }).then(function(res){ if(res.ok){ return res.json(); } }); } fetchCart() { return fetch(`/api/cart/cart-select?r=${Math.random().toString(36).slice(-4)}`) .then((res) => { if (res.ok) { return res.json(); } }); } fetchRuleProductList(rule_id) { const payload = { page: 1, limit: 100, fields: ["title", "url", "image", "min_price_variant.price", "min_price_variant.compare_at_price"], rule_id: rule_id, }; if (this.show_type_ === 3) { payload.line_items = [{ product_id: this.product_resource_id_ }]; } else if (this.show_type_ === 4) { payload.collection_id = this.collection_resource_id_; } else if (this.show_type_ === 6) { payload.line_items = this.cart_items_; } else if (this.show_type_ === 7) { payload.customer_id = this.customer_id_; } else if (this.show_type_ === 8) { payload.order_id = this.order_id_; } return fetch(window.SHOPLAZZA.routes.root + "/api/possum/recommend_products", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(payload) }).then(function(res){ if(res.ok){ return res.json(); } }).catch(function(err){ console.log(err); }); } fetchProductData(product_id) { return fetch(window.SHOPLAZZA.routes.root + "/api/possum/products", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({ product_ids: [product_id], fields: [ "images", "options", "min_price_variant", "variants"] }) }).then(function(res){ if(res.ok){ return res.json(); } }).catch(function(err){ console.log(err); const loadingEl = document.getElementById('smart_recommend_loading'); if (loadingEl) { loadingEl.style.display = 'none'; } }); } getStyle(ele, style) { if (!ele) return; if (window.getComputedStyle) { return window.getComputedStyle(ele)[style]; } return ele.currentStyle[style]; } directTo(id, direction) { const scrollElement = document.getElementById(`smart_recommend_rule_ul_${id}`); const blockWidth = parseInt(this.getStyle(scrollElement, 'width')); const scrollLength = (blockWidth * 0.19 - 12) * 5; const scrollPoint = scrollElement.scrollWidth - scrollElement.clientWidth; if (!scrollElement) return; if (direction === 'left') { if (document.dir === 'rtl') { scrollElement.scrollTo({ left: Math.abs(scrollElement.scrollLeft) >= scrollPoint - 100 ? 0 : scrollElement.scrollLeft - scrollLength, behavior: 'smooth' }); return; } scrollElement.scrollTo({ left: Math.max(scrollElement.scrollLeft - scrollLength, 0), behavior: 'smooth' }); } else { if (document.dir === 'rtl') { scrollElement.scrollTo({ left: Math.abs(scrollElement.scrollLeft) >= scrollPoint + 100 ? 0 : scrollElement.scrollLeft + scrollLength, behavior: 'smooth' }); return; } scrollElement.scrollTo({ left: scrollElement.scrollLeft >= scrollPoint - 100 ? 0 : scrollElement.scrollLeft + scrollLength, behavior: 'smooth' }); } } trackRuleImpress(rule) { if (window.sa && window.sa.track) { window.sa.track("plugin_common", { plugin_name: "upsell", event_type: "impressions", rule_id: rule.id, ssp: rule.ssp, scm: rule.scm, show_type: this.show_type_, support_app_block: window.SHOPLAZZA.theme.support_app_block }); window.sa.track("module_impressions", { aid: `smart_recommend.${this.show_type_}.${rule.id}`, support_app_block: window.SHOPLAZZA.theme.support_app_block }); } } trackQuickShop(data) { window.sa && sa.track && sa.track("plugin_common", { plugin_name: "upsell", event_type: "quick_shop", rule_id: data.rule_id, product_id: data.product_id, show_type: this.show_type_, }); } impressListen(selector, cb) { const el = document.querySelector(selector); const onImpress = (e) => { if (e) { e.stopPropagation(); } cb(); }; if (el && !el.getAttribute('imprsd')) { el.addEventListener('impress', onImpress) } else if (el) { onImpress(); } } } SPZ.defineElement('spz-custom-smart-block', SpzSmartBlockComponent);
Customer Reviews

Here are what our customers say.

Write a Review
Customer Reviews
Wow you reached the bottom
Newest
Most liked
Highest ratings
Lowest ratings
×
class SpzCustomFileUpload extends SPZ.BaseElement { constructor(element) { super(element); this.uploadCount_ = 0; this.fileList_ = []; } buildCallback() { this.action = SPZServices.actionServiceForDoc(this.element); this.registerAction('upload', (data) => { this.handleFileUpload_(data.event?.detail?.data || []); }); this.registerAction('delete', (data) => { this.handleFileDelete_(data?.args?.data); }); this.registerAction('preview', (data) => { this.handleFilePreview_(data?.args?.data); }); this.registerAction('limit', (data) => { this.handleFileLimit_(); }); this.registerAction('sizeLimit', (data) => { this.handleFileSizeLimit_(); }); } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } setData_(count, file) { this.uploadCount_ = count; this.fileList_ = file; } handleFileUpload_(data) { data.forEach(i => { if(this.fileList_.some(j => j.url === i.url)) return; this.fileList_.push(i); }) this.uploadCount_++; sessionStorage.setItem('fileList', JSON.stringify(this.fileList_)); this.triggerEvent_("handleFileUpload", { count: this.uploadCount_, files: this.fileList_}); if(this.fileList_.length >= 5){ document.querySelector('#review_upload').style.display = 'none'; } if(this.fileList_.length > 0){ document.querySelector('.apps-reviews-write-anonymous-box').style.marginTop = '8px'; } } handleFileDelete_(index) { this.fileList_.splice(index, 1); this.uploadCount_--; sessionStorage.setItem('fileList', JSON.stringify(this.fileList_)); this.triggerEvent_("handleFileDelete", { count: this.uploadCount_, files: this.fileList_}); document.querySelector('#review_upload').style.display = 'block'; if(this.fileList_?.length === 0){ document.querySelector('.apps-reviews-write-anonymous-box').style.marginTop = '132px'; } } handleFilePreview_(index) { const finalPreviewData = this.fileList_[index]; const filePreviewModal = document.getElementById('filePreviewModal'); const fullScreenVideo = document.getElementById('fullScreenVideo'); const fullScreenImage = document.getElementById('fullScreenImage'); const previewModalClose = document.getElementById('previewModalClose'); const previewLoading = document.getElementById('previewLoading'); filePreviewModal.style.display = 'block'; previewLoading.style.display = 'flex'; if(finalPreviewData?.type === 'video'){ const media = this.mediaParse_(this.fileList_[index]?.url); fullScreenVideo.addEventListener('canplaythrough', function() { previewLoading.style.display = 'none'; }); fullScreenImage.src = ''; fullScreenImage.style.display = 'none'; fullScreenVideo.style.display = 'block'; fullScreenVideo.src = media.mp4 || ''; } else { fullScreenImage.onload = function() { previewLoading.style.display = 'none'; }; fullScreenVideo.src = ''; fullScreenVideo.style.display = 'none'; fullScreenImage.style.display = 'block'; fullScreenImage.src = finalPreviewData.url; } previewModalClose.addEventListener('click', function() { filePreviewModal.style.display = 'none'; }); } handleFileLimit_() { alert(window.AppReviewsLocale.comment_file_limit || 'please do not upload files more than 5'); this.triggerEvent_("handleFileLimit"); } handleFileSizeLimit_() { alert(window.AppReviewsLocale.comment_file_size_limit || 'File size does not exceed 10M'); } clear(){ this.fileList_ = []; this.uploadCount_ = 0; sessionStorage.setItem('fileList', JSON.stringify(this.fileList_)); this.triggerEvent_("handleClear", { count: this.uploadCount_, files: this.fileList_}); document.querySelector('#review_upload').style.display = 'block'; } mediaParse_(url) { var result = {}; try { url.replace(/[?&]+([^=&]+)=([^&]*)/gi, function (str, key, value) { try { result[key] = decodeURIComponent(value); } catch (e) { result[key] = value; } }); result.preview_image = url.split('?')[0]; } catch (e) {}; return result; } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, name, data); this.action.trigger(this.element, name, event); } } SPZ.defineElement('spz-custom-file-upload', SpzCustomFileUpload);
The review would not show in product details on storefront since it does not support to.