Storefront Link: www.amazon.com/shops/yodo-groupWhat is 3-way Luggage? Traditional Luggage only has trolley and wheels. But when the ground or grass is too dirty or wet to pull the Luggage, we have to carry it by trolley. This is when the 3-way kids Luggage bag comes so handy. The backstraps could be hidden when you only want luggage. When you only want Backpack, the wheels could be protected by storage bag at bottom with elastic binding. Additional thick padding panel at back side to hidden the stiff trolley, and it will make you comfortable when you are using it as Backpack. How large is the bag? Large Size: 11.8 x 7 x 18 inches; Medium Size: 9.5 x 4.5 x 14.5 inches Front snack pouch is very large and it provides boys and girls or even moms, a quick access to other travel essentials.Mesh bottle pockets at two sides.The bag can pretty much stands by itself. The design of each bag is different, and some of the animal design has tiny web feet at the bottom. How can I was this Luggage? Just wash with warm water and mild soap, by hand only, if necessary, us soft brushes. Safety WarningTo avoid danger of suffocation, keep this bag away from babies and children. Keep this bag away from fire. Do not use it in cribs, beds, carriages or play-pens. This bag is not a toy. Tear up bag before throwing away.