It is made of high quality rubber material, protect against UV rays, wear resistance and slip resistance.With good shock absorption performance, and good seismic Flexible and durable.better heat disation; three-dimensional stereo shock absorption structure, can effectively buffer, avoid bumps.The electric scooter tires were specially designed for your electric scooter.The replacement inner tire is extremely convenient and simple to install and detach. Please check the position of the valve, and make sure you install them in the right direction.Product Description Specification:Material:RubberPackage Includes:1 Piece 3.00-4 inner tube