Mr. Tuffy 

Mr. Tuffy tire liners provide cyclists with a proven, eco-friendly solution for preventing flat tires. Made from durable, lightweight polyurethane, these biodegradable liners create a protective barrier between the tire and inner tube, blocking thorns, glass, and other road hazards. With over three decades of success and millions of satisfied riders, Mr. Tuffy tire liners are recyclable, easy to install, and available in various sizes, ensuring reliable protection without adding unnecessary weight.