Feature:1. Improve Grip and Stability: Enhance your RC car's performance with these 1.9 inch silicone tire foam insert liners. They provide improved grip and stability, allowing you to tackle challenging terrains with ease.2. Waterproof and Temperature Resistant: These tire foam insert tire foam insert are made of premium silicone material, making them waterproof and resistant to extreme temperatures. You can confidently drive your RC car in wet conditions without worrying about damage or performance issues.3. Easy to Install: These tire foam insert tire foam insert are designed to fit perfectly with 1 or 10 RC crawler tires. With their precise size and flexible material, they can be easily installed without any hassle.4. Durable and Long Lasting: Made from durable silicone, these tire foam insert tire foam insert are built to last. They can withstand the rigors of driving and continue to provide excellent grip and stability for a long time. Invest in these upgrade parts for a reliable and enjoyable RC car experience.5. Enhance Performance: With these silicone tire foam insert, you can take your RC car's performance to the new level. The improved grip and stability will help you navigate through obstacles more effectively.Specification:Item Type: RC Tire Foam InsertMaterial: SiliconeProduct Size: Approx. 108x42mm or 4.3x1.7inApplication: 1 or 10 RC Car 1.9 Inch Tire Universal.Package List:4 x RC Tire Foam InsertNote:All data are measured manually, and there are certain errors in the measurement results.