Description:Color: #1、 #2、 #3、 #4、 #5、 #6、 #7Main Material: Oxford and NylonWeight: About 1000gClosure Type: Zipper(PS:This bag has two different style、 Style1 is the common one、 style2 is the update one has bearing system of science and technology.) Detail in Sizes:Length: 33cm(12.99'')Width: 18cm(7.09'')Height: 46cm(18.11'') Package: 1×Backpack Description: Disclaimer: About Size: Size may be 2cm\/1 inch inaccuracy due to hand measure.These measurements are meant as a guide to help you select the correct size. Please take your own measurements and choose your size accordingly. We cannot accept responsibility for incorrect purchases. About Color: The precise color of the items may vary depending on the specific monitor、 the settings and the lighting conditions.The items colors depicted should only be used as an approximate guide.