Features1More Durable: the bike inner tube is made of high quality butyl rubber material, it has advantages of better sealing performance, ozone resistance, anti aging, shock absorption and electrical insulation, and is durable. 2Safe Bicycle Tubes: The butyl rubber inner tube can absorb the impact of bumpy roads, making riding comfortable and safe. It is heat resistant and can withstand the abrasion of daily use. 3Easy to Install: The tire levers can let you easily get your tube out from the tire when changing the tube, very convenient for installation. 4Application: This bike tire tube with 48mm schrader valve fits 700c tires with 23mm / 0.9in width. 5Great Accessories: The durable butyl rubber bike inner tube is replacement for broken bicycle inner tubes, suitable for most bicycles, such as mountain bikes, road bikes, etc.SpecificationItem Type: 700x23c Inner TubeMaterial: RubberProduct Color: As Pictures Shown Inner Tube Specification: 700x23CValve Length: Approx. 48mm / 1.9inProduct Weight: Approx. 255g / 9.0ozGas Nozzle Model: Schrader ValvePackage List2 x InnerTube2 x TireLevers