• Copper, rubber
• Inflatable boat pump adaptor:it is made of carefully selected materials and has a ,air pumping head adapter
• Kayak adapter:fit paddle boards, canoes, rubber boats, boats, dinghy, kayak, etc,air pump adapter
• Air pump adaptor:using this adapter, you can easily replace the special rubber boat pump to a standard valve,pumping head connector
• Air pump converter:you can inflate your surf paddle board normally without buying a new air pump,inflatable boat pump converter
• Air pump supplies:adopt fine workmanship and delicate design, it is easy and convenient to use,sup pump adaptor