1. Material: PU/mesh yarn
2. Thicker support to protect internal items from being squeezed
3. Large capacity to meet daily use needs
4. The taillight can be hung, and it is safe to drive at night
5. The bag has reflective strips
6. Concealed installation under the seat, does not hinder the movement of the legs during riding
7. Paste design, quick disassembly and assembly
8. The whole body is waterproof to prevent rainwater penetration (do not soak in water for a long time)
9. Size: small size 17x7x7.5 cm; large size 20x10x9 cm
10. Weight: 98 grams for small size, about 128 grams