• Rubber, copper
• Kayak air attachment--quality material with stable performance and ,sup pump adaptors
• Generality: can meet the inflation needs of most equipment,air pump accessories,paddle board adapter
• Air supply--used for kayak, inflatable boat, sports boats accessories,kayak adapter
• Boat pump adapter--lightweight design, portable to carry to where you need,pump adapter
• Boat supplies--the installation is simple and fast, very convenient and practical for you to use,air adapter