1. Material: PVC
2. Purpose: pad between the wheel set and the tire to protect the inner tube
3. Features: non-slip mesh meticulous cutting neat edges effectively preventing glass spikes nails etc. from piercing protecting the inner tube hot stamping process firm and not easy to fall off
4. Specifications: 26/27.5/29 inch 700C
5. Width: about 18mm
6. Thickness: about 0.5mm
7. Weight: about 23g/piece
