Zipper closure.
Material: polyester.
Backpack Dimensions: Height 44cm/ 17'', Length 28cm/11'', Width 13cm/ 5 ''.
Large compartment can easy to play book, PC ; mesh pockets on both side of backpack, which can place water, umbrellas and others.
cool 3D patterns make the entire backpack catch other eyes, left a deep impressive. Very suitable as gift send to friend and kids.