• nylon, alloy
• Air pump supplies:cost- , you can buy this practical product at an ,Pumping Head Connector
• Paddle board pump adapter:with the in the closed position, insert the fitting and rotate to lock in place, remove the on the fitting, and connect to a standard electric pump,Air Nozzles Adapter
• Air pump attachments:sup adapter utilizes a standard fitting to couple with an air compressor or bike, tire pump,Air Pump Adapter
• Sup pump adapter:fit paddle boards, canoes, rubber boats, boats, kayak, etc,Kayak Adapter
• Paddle board pump attachment:this inflatable sup adapter has easy conversion, and the efficiency of its inflation is quite high,Sup Pump Value Adapter