--- product_id: 504654006 title: "Maelstrom 40-50L Laptop Backpack, Grey, Unisex, 17.3 Inch TSA Flight Approved, Expandable Large Capacity, Waterproof and Durable, Ergonomic Design, Adjustable Strap" brand: "maelstrom" price: "฿4911" currency: THB in_stock: true url: https://www.desertcart.co.th/products/504654006-maelstrom-40-50l-laptop-backpack-grey-unisex-17-3-inch store_origin: TH region: Thailand --- # Waterproof material Fits 17.3" laptop Expandable 40-50L Maelstrom 40-50L Laptop Backpack, Grey, Unisex, 17.3 Inch TSA Flight Approved, Expandable Large Capacity, Waterproof and Durable, Ergonomic Design, Adjustable Strap **Brand:** maelstrom **Price:** ฿4911 **Availability:** ✅ In Stock ## Summary > 🌍 Travel Smart, Look Sharp! ## Quick Answers - **What is this?** Maelstrom 40-50L Laptop Backpack, Grey, Unisex, 17.3 Inch TSA Flight Approved, Expandable Large Capacity, Waterproof and Durable, Ergonomic Design, Adjustable Strap by maelstrom - **How much does it cost?** ฿4911 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/504654006-maelstrom-40-50l-laptop-backpack-grey-unisex-17-3-inch) ## Best For - maelstrom enthusiasts ## Why This Product - Trusted maelstrom brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Odor-Free Travel:** Includes a foldable shoe bag to keep your gear fresh. - • **Tech-Savvy Storage:** Dedicated compartments for both 13" tablet and 17" laptop. - • **Maximize Your Space:** Expandable design from 40L to 50L for all your travel needs. - • **Ergonomic Excellence:** S-shaped straps and breathable back for all-day comfort. - • **Durability Meets Comfort:** Crafted from waterproof nylon with shockproof pads for ultimate protection. ## Overview The Maelstrom 40-50L Laptop Backpack is a versatile and stylish travel companion designed for the modern professional. With its expandable capacity, dedicated tech compartments, and ergonomic design, this backpack ensures you can carry everything you need while maintaining comfort and organization. Made from durable, waterproof materials, it’s perfect for both daily commutes and weekend getaways. ## Description Travel Backpack makes it suitable for daily use and weekends getaways. Make your trip organized The great Partner for school, college, office, business, travel, holiday vacation and any other daily occasion ## Features - 【Expandable Large capacity design】: laptop backpack standard size 19*12*9in inches (40L); expandable size 19*12*11in inches (50L). Travel bag has 3 large compartments, 2 laptop compartments (one for a 13-inch tablet and one for a 17-inch laptop respectively) and 13 storage pockets, ideal for 3-7 days of daily travel - 【External shoe bag design】 laptop bag has a waterproof foldable shoe bag, shoes can be put into it and hanging on the backpack. when you do not need to use, the shoes bag can be placed in a special storage compartment, does not occupy the capacity of the computer backpack, but also can isolate the odor - 【With 2 Storage Bags and Wash Bags】: The carry-on backpack comes with 2 extra storage pockets, perfect for organizing your clothes when packing for a trip. The full mesh design makes items clearly visible and easier to find them. The travel backpack also comes with a toiletry bag for storing toiletries - 【Durable Material】: Traveling backpack is made of waterproof and wear-resistant nylon fabric, featured with excellent performance of water resistance, air permeability and heat dissipation. In addition, the rear and bottom of the laptop layer are equipped with high-quality shockproof pads to protect the computer from damage during the trip. The bottom of the backpack is designed with a plug to facilitate you to place the camera tripod and other items. - 【Ergonomic Design】: The shoulder straps of the college backpack adopts S-shaped design, which is more ergonomic and makes your shoulders more relaxed during use; Add nice details of sponge design at the back, make it more comfortable and breathable than just a normal backpack . Two padded handles are arranged on the top and sides of the waterproof backpack for comfortable long periods carrying.Great Christmas gift for him or her, holiday gift for dad - Strap type: Adjustable ## Images ![Maelstrom 40-50L Laptop Backpack, Grey, Unisex, 17.3 Inch TSA Flight Approved, Expandable Large Capacity, Waterproof and Durable, Ergonomic Design, Adjustable Strap - Image 1](https://m.media-amazon.com/images/I/816yVYnaT0L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - Maelstrom 40-50L Laptop Backpack, Grey, Unisex, 17.3 Inch TSA Flight Approved, Expandable Large Capacity, Waterproof and Durable, Ergonomic Design, Adjustable Strap - BAGAIL 4 Set/6 Set Ultralight Compression Packing Cubes Packing Organizer for Travel Accessories Luggage Suitcase Backpack(70D 6Set Leaf) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/504654006-maelstrom-40-50l-laptop-backpack-grey-unisex-17-3-inch](https://www.desertcart.co.th/products/504654006-maelstrom-40-50l-laptop-backpack-grey-unisex-17-3-inch) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-06-08*