Feature: 1. More 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. 2. Safe 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. 3. Easy to Install: The tire levers can let you easily get your tube out from the tire when changing the tube, very convenient for installation. 4. Application: This bike tire tube with 48mm schrader valve fits 700c tires with 23mm / 0.9in width. 5. Great Accessories: The durable butyl rubber bike inner tube is perfect replacement for broken bicycle inner tubes, suitable for most bicycles, such as mountain bikes, road bikes, etc. Specification: Item Type: 700x23c Inner Tube Material: Rubber Product Color: As Pictures Shown Inner Tube Specification: 700x23C Valve Length: Approx. 48mm / 1.9in Product Weight: Approx. 255g / 9.0oz Gas Nozzle Model: Schrader Valve. Package List: 2 x Inner Tube 2 x Tire Levers