The internal structure of the bag: mobile phone bag, certificate bag, computer pocketMaterial: NylonColor: black, white, blue, pinkStyle 1: Single bag without accessories, Style 2: 2 badges and Baiyun plus bear pendant√ Wear-resistant, spray-resistant, high-quality nylon fabrics and waterproof fabrics for girls' backpacks; non-fading, odorless, environmentally friendly and healthy√The shoulder strap is adjustable and detachable. You can adjust the length according to your height and body type. The classic simple fabric girl college school bag is suitable for school outdoor leisure beach.√ Applicable occasions: Our school bags are very suitable for young girls, children, teenagers, ladies and gentlemen. Suitable for school, university, outdoor, sports, camping, hiking, traveling, etc.√ Function: breathable, waterproof, wear-resistant, anti-theft, shock-resistant, lightening√Capacity: 20LReminder: The product size is manually measured, there may be some errors, please refer to the actual productWelcome to our shop, if you have any questions after receiving the goods, please feel free to contact us. We have a good after-sales service team, after-sales will actively deal with your problems, we will reply to you within 24 hours, thank you for your understanding and supporThere are many kinds of bags in our shop, you are welcome to choose