1. Material: polyester
2. Capacity: 10L, 20L, 30L
3. Dimensions: 10L: 23 x 10.5 x 32 cm, 20L: 26 x 18 x 40 cm, 30L: 30 x 20 x 45 cm
4. Weight: 10L: 450g, 20L: 650g, 30L: 950g
5. Detachable waterproof inner bag design, safe and secure riding on rainy days
6. The zipper cap prevents rainwater from entering
7. Gourd buckle design, convenient for multi-package combination
8. Nylon material buckle, strong and durable
9. Webbing design, can hang large objects