Fabric/Style: An astounding amount of functional features are packed into this rolling, durable 600 denier backpack with stylish ripstop accents. Perfect as a carry-on bag when traveling or an ergonomic school bag. Choose to carry like a briefcase, strap it on, or take the strain off your back by rolling the bag on the ground. You'll be hard pressed to find a better value. Additional features: |Side pockets and mesh water bottle holder, 2 large front pockets for easy embroidery, padded Air Mesh back for comfort, hidden flap covers wheels when used as a backpack, durable inline skate wheels. Approx. dimensions: 20.5'w x 13'h x 7.9'd, cubic inches: 2,097. Handle extends approximately 18.5'.