Three ways to carry: like a backpack and have the hidden flap cover the inline wheels, like a briefcase or roll it along the ground to take the strain off your upper body. 600 denier polyester with ripstop accents and rubber bottom Hideaway air mesh padded shoulder straps Two large front pockets Side pockets and mesh water bottle holder One-hand push button pulley system for easy use and stowage; handle extends to 18.5-inches Smooth, durable inline skate wheels Dimensions: 20.5'h x 13'w x 7.9'd; Approx. 2,097 cubic inches