• Copper, rubber
• Air pump adaptor:no need for paddle-specific air pump, the conversion head can connect the ordinary inflatable tube to the paddle,sup pump adaptor
• Kayak adapter:fit most paddle boards, canoes, rubber boats, boats, dinghy, kayak, etc,inflatable boat pump adaptor
• Air pumping nozzles adapter:kayak air pump adapter is easy to inflate, easy to install and easy to use,air pump converter
• Inflatable boat pump converter:you can inflate your surf paddle board normally without buying a new air pump,sup pump value adapter
• Air nozzles adapter:the method of use is very simple and will not take you too right time,air pumping head adapter