Describe: Capacity :20-35L Package internal structure:Zipper pocket, cell phone pocket Opening method zipper Applicable gender Unisex / Unisex Material: canvas Function: Breathable, waterproof, wear-resistant Size:as show Notice 1. Please remember that there will be some small differences between the color of the picture and the actual object due to lighting effects, brightness / contrast settings of the display, etc. Measured by hand, the deviation may be 1-2 cm. 2.Please carefully confirm your style, name &number and shipping address before placing the order, thus to assure the delivery efficiency and avoid unnecessary trouble. 3. If you have any questions, please leave us a message. We will respond and provide you with the best service.