Color:Black/Light Blue/Blue Size: Height:33CM(13.0'')Width:27CM(10.6'')Thickness:9CM(3.5'') Weight:730g Material:PU Fashlion element: Cartoon Style:College This backpack is made of PU material, surface of bags are bicycle cartoon patterns, and it's contrast color in the side of bags, not just the single color on bags, college style is very suitable for young people.