Features: 1. The compact shape is very suitable for both kids and adults. 2. Mesh pockets on both sides hold umbrellas and water cups. Specifics: Applicable: Students Feature: Stitch Material: Canvas Features: Breathable, Waterproof, Wear-resistant, USB Capacity: 20-35L Opening method: Zipper Applicable gender: Unisex Structure: - Main bag: can be put into A4 book. - Inner compartment: can accommodate small items, such as mobile phones, stationery, keys, etc. - Extra pocket: can be put into small books, convenient for children to classify textbooks. Backpack size: Length: 29 cm; Width: 16 cm; Height: 46 cm; Package included: 1 x Backpack NOTE: 1. Due to manual measurement, please allow 1-3 cm (0.4-1.18 ") error. 2. Because the different monitor settings will have a slight color change. If you have any questions, please write to me immediately. Thank you for visiting our products, I wish you a happy shopping~