Bags and backpacks Backpacks Play And Store Sharks Mini Backpack Blue. Capacity : 11-20 L,Outer Material Type : Cotton It is made with 80% polyester, 10% nylon, 10% cotton. - The exterior can be cleaned with a damp cloth. - In the shell you can write data. - The handles have padded reinforcement. - With chest strap to adjust the backpack. - With storage on the side for a bottle. - With interior pocket. - The back is breathable. - Measurements:28 cm.x 22cm.x 7.5cm.