SPECIFICATIONSBrand Name: NONEChoice: yesHigh-concerned chemical: noneMaterial: TPUOrigin: Mainland ChinaType1: Bicycle Tire LinerType2: Inner Tube ProtectorType3: Anti-Puncture StripType4: TPU Tire LinerType5: Fiberglass Tire LinerType6: Self-Adhesive Tire LinerType7: Road Bike Puncture Protectionsemi_Choice: yes Essential Specs at a Glance: Product Type:Self-Adhesive Anti-Puncture Tire Liner (Inner Tube Protector) Material:Ultra-Light TPU + High-Density Fiberglass Mesh Installation:Peel-and-Stick (Leaves no sticky residue) Compatibility:Universal fit for MTB, Road Bikes, Gravel, and E-Bikes. Package Includes:1Rolls