DescriptionThis air connector adopts material, durable and easy to use.Professional designed for boat, kayak use. Leakproof and wearproof,unique portable small size design make it free to use. Strong sealing,anti-leakage, make you use it more easily.Features- Color: Black - Material: Plastic - Size: About 4.50X3.00X3.00cm/1.77X1.18X1.18in - Adopting material, which is lightweight and durable. - High flexibility, high strength. Replaceable and useful.- Make a fast connection between sup hand pump adaptor. - No air leakage between adaptors because internal integrated gasket. - Lightweight and portable, the adaptor is easy to carry and store.