---
product_id: 781707205
title: "MATEIN Expandable Travel Backpack, Water Resistant Airplane Approved Extra Large Backpack Bag for Men and Women Luggage, Carry on Lightweight Daypack for Business Flight Weekender Trip, Blue"
brand: "matein"
price: "฿5518"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/781707205-matein-expandable-travel-backpack-water-resistant-airplane-approved-extra-large
store_origin: TH
region: Thailand
---

# 40L expandable capacity water-resistant polyester airline carry-on approved MATEIN Expandable Travel Backpack, Water Resistant Airplane Approved Extra Large Backpack Bag for Men and Women Luggage, Carry on Lightweight Daypack for Business Flight Weekender Trip, Blue

**Brand:** matein
**Price:** ฿5518
**Availability:** ✅ In Stock

## Summary

> 🎒 Travel smarter, pack bigger, arrive cooler.

## Quick Answers

- **What is this?** MATEIN Expandable Travel Backpack, Water Resistant Airplane Approved Extra Large Backpack Bag for Men and Women Luggage, Carry on Lightweight Daypack for Business Flight Weekender Trip, Blue by matein
- **How much does it cost?** ฿5518 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/781707205-matein-expandable-travel-backpack-water-resistant-airplane-approved-extra-large)

## Best For

- matein enthusiasts

## Why This Product

- Trusted matein brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatility on the Go:** Convertible design with hideaway straps and luggage sleeve for multiple carry styles.
- • **Comfort Meets Function:** Ergonomic air-mesh back panel with adjustable sternum strap for all-day comfort.
- • **Pack More, Stress Less:** Expandable 40L main compartment fits all your travel essentials and then some.
- • **Fly Smart, Travel Light:** Meets carry-on size limits for major airlines, perfect for seamless airport navigation.
- • **Built to Brave the Elements:** Durable water-resistant fabric and lockable zippers keep your gear safe and dry.

## Overview

The MATEIN Expandable Travel Backpack is a lightweight, water-resistant 40L carry-on approved bag designed for business and leisure travelers. Featuring an expandable main compartment, ergonomic padded straps with adjustable sternum support, and a convertible design with luggage sleeve, it offers versatile, comfortable, and secure travel storage that fits overhead bins and under seats on major airlines.

## Description

Organized Large Carry On Backpack: 1.The roomy main oversized compartment with full-perimeter zip allows for easy opening and packing,also provide a large storage for clothes, packing cubes, toiletry bags, camera gear, and daily necessities, travel accessories etc. Well design for travelers, weekenders 2.Inner adjustable straps in the main compartment are smart in length and adjust from "high" to "low" cinch positions, keeping travel supplies from shifting.  3.Features organizer pocket for travel essentials, from passport to wires or any other thin accessories. 4.One convenient front pockets: for small items like ipad, notebook, e-book, earphone Tips for Better Travel with This Bag: ✈.Travel backpack comes with low-profile top and side handles for safe lifting from trunks and overhead compartments, and from beneath a seat ✈.The backpack can also be loaded onto a rolling luggage handle thanks to luggage / suitcase sleeve ✈.Compression straps are carefully placed to provide maximum compression and reduce stress on the zippers ✈.Full expansion zipper adds over 15% of packing space, very useful to get an inch or two more of vertical space if needed ✈.Adjustable sternum strap can reduce the stress of your shoulder ✈.The crazy padding on this backpack offers comfort whether carrying the backpack in your hands, over two shoulder or one. ✈.The zipper head is lockable so that you can find a lock to lock the bag for security Normal Size:19.5*13.5*6 Inch Expanded Size:19.5*13.5*7.5 Inch Weight:2.4 lb Capacity:40L

## Features

- EXPANDABLE & LARGE CAPACITY: Extra travel large backpack with expandable feature give you more packing capacity. Unzip to expand 40L storage can easily hold packing cubes, toiletry bag, make-up bag, outfits, camera bag and gear, etc. Standard carry on size travel backpack fits overhead and under seat, is ideal for women,women,weekend traveler,or occasional vacationer.This versatile luggage backpack also meets airline carry-on requirements,for airlines such as Easy Jet,Spirit,Jet Blue
- EASY TO CARRY: The luggage backpack is light to carry due to its adjustable shoulder straps, comfortable air-mesh ventilated back panel. Two padded grab handles are set both on top and side of the travel backpack, make it easy to take the bag from an overhead bin.
- BUILT FOR TRAVEL: One organizer compartment for little gear. 4 external compression straps keeps contents from sloshing around and are useful to get an inch or two more of vertical space also reduced stress on the zippers. The large inside pocket has internal compression elastic straps as well. The padded straps include a sternum strap that can be adjusted upward or downward, set to go across your chest, distribute the weight from your shoulder
- CONVERTIBLE DESIGN: Hideaway padded shoulder straps disconnect easily and store away in zippered back panel, transform the bag in carry-on duffel or briefcase style and give it a minimalist look and a more flexible carrying experience. A luggage strap designed on back allows backpack fit on luggage / suitcase, slide over the luggage upright handle tube for easier carry on international travel or cruise
- DURABLE: Made of water resistant lightweight polyester and lockable zipper heads. Survived different temperatures. With study zippers and decent stitching, this large travel backpack won't show any defects when on the go, ensure you have a unforgettable weekend getaway, international flight

## Images

![MATEIN Expandable Travel Backpack, Water Resistant Airplane Approved Extra Large Backpack Bag for Men and Women Luggage, Carry on Lightweight Daypack for Business Flight Weekender Trip, Blue - Image 1](https://m.media-amazon.com/images/I/7193ijNdBsL.jpg)
![MATEIN Expandable Travel Backpack, Water Resistant Airplane Approved Extra Large Backpack Bag for Men and Women Luggage, Carry on Lightweight Daypack for Business Flight Weekender Trip, Blue - Image 2](https://m.media-amazon.com/images/I/71TSEA6yoPL.jpg)
![MATEIN Expandable Travel Backpack, Water Resistant Airplane Approved Extra Large Backpack Bag for Men and Women Luggage, Carry on Lightweight Daypack for Business Flight Weekender Trip, Blue - Image 3](https://m.media-amazon.com/images/I/81Em16cSznL.jpg)
![MATEIN Expandable Travel Backpack, Water Resistant Airplane Approved Extra Large Backpack Bag for Men and Women Luggage, Carry on Lightweight Daypack for Business Flight Weekender Trip, Blue - Image 4](https://m.media-amazon.com/images/I/71qiSv6O3sL.jpg)
![MATEIN Expandable Travel Backpack, Water Resistant Airplane Approved Extra Large Backpack Bag for Men and Women Luggage, Carry on Lightweight Daypack for Business Flight Weekender Trip, Blue - Image 5](https://m.media-amazon.com/images/I/61B0pdsHXsL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/781707205-matein-expandable-travel-backpack-water-resistant-airplane-approved-extra-large](https://www.desertcart.co.th/products/781707205-matein-expandable-travel-backpack-water-resistant-airplane-approved-extra-large)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-17*