Set of 2 Bicycle Tire Puncture Prevention Puncture Prevention Waterproof Tap Thick Tube 4 Sizes Made of Polyurethane Puncture Easy to Install Liner,

[Protects tires from punctures] Sticks tightly with the tire liner, even if the tire is penetrated by a sharp point, the tire liner will not be damaged. Designed to protect your bike tires from punctures. 【Ultra tough material used】Made of high quality polyurethane polymer material, which is durable and tough. It is a mysterious material that does not tear easily even if it is punctured by sharp objects. Protect your tire liner from sharp objects. [Easy to install] It has high tensile strength and can be easily installed in close contact with the tire liner. 【Between liner and tire】Easy to install between tube and tire to provide strong puncture protection. 【Rugged Physical Protection】Provides a physical barrier to block nails, thorns and other debris. Please see the product specifications below for details on each size. This tire liner protector is designed to protect your bicycle tires from punctures. Easy to install and provides strong puncture protection between tube and tire. One package includes 1 roll of this product for the front tire of the bike and 2 pieces for the rear tire. Please check the size before purchasing. [Product specifications] Material: Polyurethane polymer Color: Transparent (as the picture shows) Package weight: about 72-116g Type options: 700C, 26", 27.5", 29" Size (T x W): 0.5 x 25mm / 0.019“x 0.98”, road bike 700c 0.5 x 40mm / 0.019″x Applicable to 1.57″, 26″ bikes, tire width 1.5″-2.1″ 0.5 x 40mm / 0.019″x Applicable to 1.57″, 27.5″ bikes, tire width 1.5″-2.1″                   &nb sp;0.5 x 40mm/0.019″x 1.57″, applicable to 29″ bike, tire width 1.5″-2.1″ Length: Approx. 2.13m / 6.98ft (700C) suit) 2.24m / 7.34ft (27.5" bicycle suit)               2.26m/7.41ft (29" bike suit) Quantity: 2 pieces [Package contents] 2 rolls of tire liner [Notes] It is not 100% puncture proof. It may be penetrated.