Features: Silicone: This tire liner is made of silicone material, durable, no need to worry about water damaging the liner, also easy to remove and clean. Three-layer design: The silicone insert has 3 hollow layers, users can cut off part of the liner or insert foam strips to achieve different degrees of softness and hardness. Strong sidewall strength: The silicone rubber liner provides rock-solid side strength, which helps to maintain the shape of the tire and make it better fit the road. Large capacity: Strong and more flexible than foam inserts, it can better withstand the weight of heavy rigs. Conform to the surfaces and not deform under load. Waterproof and temperature resistant: Our tire embed foam design can withstand a variety of environmental conditions, perfect for off road adventures. It can provide reliable performance even in humidity and extremes temperatures, ensuring a longer service life for the tire. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Product size: 108*42mm Material: Silicone Applicable to: 1.9-inch tires Package List: 2/4pcs 1.9inches Silicone Tire Inserts