Laptop backpack with wheels 17.3 inch: 39 x 22 x 55 cm, 28 L, 2.30 kg Secure TSA lock on all wheels Compression straps to adjust volume and laptop compartment 3 top equipped backpacks with case for tablets (etc. Compartment for bottles, rain cover, document sleeve, compression straps, pen holder, etc. Outer and inner material made from recycled PET bottles as part of our Recyclex material technology initiative.