1. Butyl rubber: Made of thick butyl rubber, the shock absorption effect is obvious, which not only adds comfort to your riding, but also ensures your safety.2. Product features: The tires have the advantages of better sealing, ozone resistance, anti-aging, shock absorption and electrical insulation, and are durable to use.3. High load capacity: The elasticity and cushioning capabilities make the tire resist all pressure changes, not easily deformed and more durable.4. Advantages: Compared with solid tires, pneumatic tires have good cushioning properties, allowing you to drive on most roads with confidence, giving you a comfortable driving experience.5. Application: The tire and tube set is an exact replacement for tires and tubes used in different utility applications including lawn mowers, hand trucks, carts, carts and more.