Features: 1.Backpack is made of 600D Oxford material, which is wrinkle-resistant and has good elasticity and can be used for a long time. 2.Backpacks for men has super waterproof performance, which can well protect the inner contents of the bag. 3.laptop backpack can meet most of your daily activities and can be used for work,study,travel,camping, etc. 4.Travel bags has a large storage space, and the front pocket of the backpack can also accommodate small items such as tablets. 5.Waterproof backpack can adjust the length of the shoulder strap, which can distribute the weight and provide extra stability when carrying it on the back. Specifications: Material: 600D oxford Color: Black / Deep Blue / Rose Red (Optional) Size: (L) x (W) x (H) 23 x 10 x 40cm / 9.06 x 3.94 x 15.75 in (appr.) Package Included: 1 x Backpack Notice: 1. Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. 2. The product will have a little color difference due to the different colors of the batch.3. Zipper head style random