1. Material: polyester 2. The shoulder straps can be adjusted according to different height needs 3. Strong and durable, comfortable to touch 4. Smooth zipper design, easy to use 5. With headphone jack, it is convenient to listen to music anytime, anywhere 6. Water-repellent fabric, strong and durable 7. Enriched functional areas to meet daily needs 8. Weight: 250 grams 9. Size: 30x17x7 cm
