The new version of our all-time best seller, this 40L carry on backpack features a zippered wet-proof pocket to separate your toiletries, wet accessories, damp towel etc. The redesigned back has pass-through straps built for attaching to your travel wheeled luggage; fits over most upright handles for seamless, on-the-go-travel. With easy to store straps, two padded electronics sleeves and an abundance of room, this bag will be your "go to" for years to come. VITAL SPECS Overall Dimensions: 20.08 H x 13.39 W x 9.84 D in Volume: 40L 2 padded sleeves, 1 for laptop up to 15.6 inches, 1 for tablet up to 10.5 inches Zip side pocket for you to store beverage or water bottle, 1 adjustable loop to keep bottle in place Airline approved size, designed to fit maximum size allowed on most IATA flights (please check carry on allowance policy for specific airlines)