Noen Shouder Bag Unisex Student Zipper Clear Backpack Transparent Bookbag School Material:plastic Color:orange,pink,blue,black,green,purple Size and Structure:Length:42.5cm/16.7in; Thickness:15.5cm/6.1in; The front has two bags,the upper with diagonal zipper and the bag length:23m/9.1in; width:21cm/8.3in The other bag length:27cm/10.6in; width:21cm/8.3in Item Included:1 x casaul backpack Note:Because there was a manual measuring,the size may has 1-2cm difference