• rubber, copper
• Inflatable adapter--strong sealing, anti-leakage, durable, let you use it more easily,sup pump adaptor
• Inflatable adaptor--made of material, our product is and ,air adaptor
• Rubber sup pump adaptor--this inflatable sup adapter has easy conversion, and the efficiency of its inflation is quite high,air adapter
• Air pump adapter--use your compressor or tire pump to easily reach the suggested psi within 5-10min,stem adapter
• Stem adaptor--it is manufactured with professional technology to ensure the of the product and can work long time,sup pump adapter