plastic; Universal fit: compatible with most standard air pumps, making it a versatile addition to your water sports gear, paddleboard pump adapter, inflatable adapter; Efficient inflation: improves air flow for faster and inflation, paddle valve adapter, kayak valve adapter; Leakproof design: preventing air loss and maintaining the firmness of your inflatable, canoe air valve adapter, air valve adapter connector; Easy attachment: userfriendly design allows for attachment, making it ideal for both novice and experienced users, kayak air valve connector, pump adapter for inflatables; Made from durable materials: this adapter is built to withstand tough conditions and frequent usage, ensuring performance, air pump hose adapter, rowing boat air valve adaptor
What's in the box
1 x Bike Pump