Description:Color: #1, #2, #3, #4, #5, #6, #7MainMaterial: Oxford and NylonWeight:About1000gClosureType: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.)DetailinSizes:Length: 33cm(12.99)Width:18cm(7.09)Height: 46cm(18.11)Package:1BackpackDescription: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.