1. Material: waterproof polyester 2. Applicable gender: neutral/male and female 3. Applicable scenarios: cycling, hiking, hiking, camping, sports protective gear accessories, sports outdoor bags 4. With reflective strip design, safe riding at night 5. Elastic closed design, easy to access 6. Applicable size of backpack: S 40x32x20cm; M 53x32x20cm, L 65x35x23cm, XL 75x35x23cm 7. Weight: S size is about 45g; M size is about 55g; L size is about 60g; XL size is about 70g
