• nylon, alloy
• Air pump attachments:this sup pump adapter is made of nylon, alloy materials, it is solid structure and durable,Air Compressor Adapter For Inflatables
• Air pumping nozzles adapter:using this adapter, you can easily replace the special rubber boat pump to a standard valve,Air Pumping Head Adapter
• Sup pump value adapter:cost- , you can buy this practical product at an ,Air Pump Converter
• Pump adaptor:sup adapter utilizes a standard fitting to couple with an air compressor or bike, tire pump,Air Pump Adapter For Inflatables
• Sup pump converter:reasonable design and nylon, alloy materials ensure its practicability and durability,Air Nozzles Adapter