This set of silicone rubber tires insert is designed for 1/18 /24 scale cars. The tires feature support compared to traditional foam, ensuring they maintain their shape during use. The material is wear-resistant and has excellent elasticity, providing improved traction and grip for your vehicle. Features - Color: Red -Material:Silicone rubber - Size: 5.50X5.50X2.00cm/2.16X2.16X0.79in -Outer diameter: 55mm (2.16in) -Thickness: 20mm (0.78 inches) -Inner diameter: 28.5mm (1.12 inches) -Suitable for 1.0-inch tires with outer diameter 58-63mm and thickness 20-24mm -Made from silicone rubber material, these tire inserts are highly resistant to wear and tear, ensuring performance and reliability. -With improved traction and grip, these tire inserts offer better handling, allowing you to push your car to its limits. -This package includes enough tier inserts, making it easy to replace worn-out tires or keep spares on hand for emergencies. -Designed for use with 1/18 /24 scale cars, easy to install and use. -Lightweight and compact. It is easy and convenient to use, and easy to store when not in use. Package list: 4 x Silicone Rubber Insert for Tire