Features: 1. Tires Inserts made of silicone rubber material is waterproof and high temperature resistant. 2. With its improved traction and grip on the tires, it can help your RC car get out of trouble in complicated terrain. 3. The three-layer hollow design provides diverse soft and hard options.(Users can cut off part of the liner or insert foam strips to realize different degrees of softness and hardness adjustable according to the needs.) 4. Compared with traditional foam inserts, this…