The tire is made of rubber material, which is abrasion resistant and anti-, high-quality and durable. The tire is easy to be inflated and installed, no damage to the scooter. The tire is easy to use and replace, adjusted flexibly and fixed tightly. Anti-skidding pattern makes it can be used in snowy and , safe to play the scooter. Improved version thicker rubber tires which is ultra tear-resistant, scratch-resistant and durable in use Colour:black Material:rubber Size:Outer diameter: 239mm Package Contents: 1 x Vacuum tire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.