This air pump replacement nozzle is made of good plastic, sturdy, and can be used for many years without damage. It is designed with a creative shape and the size is many types of air bed. workmanship ensures practicality. Its creative structure makes it more convenient for you to install. Features -Color:Black -Material:Plastic - Size: 8.50X3.40X3.40cm/3.34X1.34X1.34in - Size: 5.00X3.40X3.40cm/1.97X1.34X1.34in - Size: 4.50X3.40X3.40cm/1.77X1.34X1.34in -Inner Diameter:2cm/0.78inch 1.5cm/0.59 0.7cm/0.27inch -Outer Diamter:3.4cm/1.33inch - The installation of this inflation is simple and quick, and it is very convenient and practical to use. - It can be used repeatedly, not easy to damage. Please check the size carefully before buying! - This kind of inflation nozzle is easy to replace and has high inflation efficiency. - This inflatable nozzle is made of plastic materials and can serve your air pump for many years without damage. - The excellent workmanship of our products will bring you a good experience Package list: 1 x Air Pump Nozzle