Bleecker Recycled Rolling Backpack with protective sleeve protects 15.6" laptops. Material made from recycled PET bottles. Antimicrobial coating helps prevent the growth of bacteria. Water resistant coated fabric. Transforms from backpack to roller with hideaway backpack straps. Protective sleeve fits laptops up to 15.6". Pack away wheel cover to keep your back clean. Interior compression straps for tighter packing. Hideway push-button telescoping handle. Easy glide rolling wheels.