Nylon; Pumping head connector nylon material, durable and wear-resistant, product life, Inflatable Pool Pump Adapter; Air pump hose adapter inflatable adaptor, easy conversion, quick inflation, Air Adapter; Boat air adopt fine workmanship and delicate design, convenient to use, Boat Air for Kayak; Pump adapter for your kayaking, Pump Adaptor; Boat air valve using conventional universal connectors, suitable for most vehicle-mounted air pumps and pumps, Air Pump Hose Adapter.

What's in the box
1 x Bike Pump