LARGE CAPACITY & ORGANIZED: 40L, Dimensions: 20.47 x13.39 x9.06 inch; Features 3 spacious compartments - the quick-access main compartment, tech storage and front pocket to organize your clothes, toiletries, books, and a 17” laptop, tablet and accessories for up to 4 days trip; The backpack offers dependable protection and multiple pockets for your travel essentials and keep you organized and ready to travel on the go DESIGNED FOR AIR TRAVEL：This tsa approved carry on backpacks is just within the maximum limit for IATA flights carry-on luggage,You don't need to check in your luggage,The designed to be opened 90°-180° for security scanning,helps get through airport security checkpoints quick,it's a good idea for airplane traveling. fits overhead and under the seat MULTIFUNCTIONAL STORAGE：the main compartment can be unzipped like a suitcase for reach the main compartment from the quick access front pocket for easy reach of your travel essentials on the go,The tech compartment can accommodate up to 17" laptop and 12.9 inch iPad with accessories,Front pocket, top pocket and side pockets for easy access to Data cable,airpods and power bank , etc. BELT DESIGN FOR STRESS-FREE TRAVEL: Our 40L travel backpack for men is equipped with a chest strap and belt, which can evenly distribute the weight of the 40 liter travel backpack to other parts, relieving the pressure on the shoulder, while the shoulder strap and the back of the backpack are thickened to increase comfort. And it is also equipped with side handles and luggage straps, so that the backpack can be easily placed on the suitcase. Truly relaxed and stress-free travel NEW DESIGN:The HF Backpack introduces a brand new design with the amazing wrapping pocket that expands when you need to carry more but tightens up when you don’t.buill for any occasion .Such as gym bag、yoga mal、professional tools、blueprint tube、boxes、grocery bags、shopping bags、camera gear etc.Run errands with ease, knowing you’ll have space to carry everything. It is perfect for anyone who doesn’t want to be limited on the move. Travel Backpack 40L, TSA Friendly Flight Approved Carry-on Luggage Hand Water-resistant Lightweight Business Rucksack,Water Resistant Business Rucksack,Weekender Bag Daypack，Fits 17.3 Inch Laptop