Description: This kind of air valve adapter is made of alloy and plastic materials, not easy to be broken, you can use it for a long time without being abrased. The pump adapter is easy to storage and carry, will not occupy so much space, you can carry is easily.Designed with fine leakproofness, the are valve adapter is suit for most inflatable boat and rubber boat, you can order according to your need. There is designed with a dust-proof cap that could protect your valve from being blocked, you can use it without worries.The thread designed is convenient for you to install and use, not easy to loose or fall off, you can use it for a long time. Specification: Material: alloy, plastic. Color: show as pictures. Size: 7.8* 3.4 * 3.4cm. Package included: 1x air valve adapter.