• nylon, alloy
• Pump adapter for inflatables:this inflatable sup adapter has easy conversion, and the efficiency of its inflation is quite high,air pumping head adapter
• Sup pump adapters:this sup pump adapter is made of quality nylon, alloy materials, it is solid structure and durable,inflatable sup pump adapter
• Boat pump adaptor:no need for paddle-specific air pump, the conversion head can connect the ordinary inflatable tube to the paddle,sup inflator adapter
• Sup pump adaptor:fit most paddle boards, canoes, rubber boats, boats, kayak, etc,air pump adapter for inflatables
• Air pump inflator adapter:sup adapter utilizes a standard fitting to couple with an air compressor or bike, tire pump,boat pump adapter