Upgrade your bike's protection with this innovative TPU self-adhesive tire liner. Designed to provide a second layer of defense between your inner tube and outer tire, this puncture-resistant fiberglass liner helps prevent flats and extends the life of your tubes. The liner comes in a standard size and is easy to install - simply apply it between your tire and tube during maintenance or tire changes. At just 12 ounces, this lightweight addition won't impact your ride performance while offering valuable protection against road hazards. The liner measures approximately 5 inches in length, 1 inch in width, and 1.5 inches in height when packaged. Made with durable plastic materials, this tire liner is built to last and comes with a 1-year manufacturer warranty. Perfect for all types of bikes and suitable for both casual riders and cycling enthusiasts who want to minimize unexpected flat tires during their rides.