Description Specially designed for inflating your kayak, inflatable boat, paddle board, and so on. Made of Rubber, copper material for long time and durable use. Stable structure, strong seal to prevent air leak. Easy to convert and inflate your boat or other inflatables. Features -Color:As Shown -Material:Rubber, copper -Size:8.00X4.00X4.00cm/3.14X1.57X1.57in - Portable and compact: the valve adapter kit is small and lightweight, easy to carry, can be put in a tool box and taken out when needed. - Wide applications: air pump adapter accessories are suitable for many outdoor activities, such as kayaking, hiking, etc. - Different pumps: can also be used for electric pumps, hand pumps or foot pumps to meet your different replacement needs. - Good seal: Rubber, copper material and precision design ensures good durability and good sealing, no air leakage. - Widely compatible: comes with different adapter nozzles, compatible with many air valves. Package list: 3 x adapters