The 42L Rolling Backpack, one of our most innovative backpacks, is designed with the adventurous traveler in mind. Not only are its smooth-rolling wheels durable enough for even the most frequent flyer, it also has wheel covers and stowaway back straps to transform it into a comfortable backpack. It also has robust corner armor to reduce abrasion, among other protective features. 2 padded removal sleeves for electronics (up to 17-inch laptop and 10.5-inch tablet) Shoulder strap fasten loops and Duraflex buckle Wheels improved as part of 2023 updates Specifications Overall Dimensions: 21.3 x 13.8 x 9.0 in/35 x 23 x 54 cm Volume: 42L Airline approved size, designed to fit maximum size allowed on most IATA flights (please check carry on allowance policy for specific airlines)