1. Leakproof Performance: Made of quality plastic materials, the adapter ensures pressure resistance, strong sealing, and air leakage performance for leakproof use. 2. Lightweight and PortableThis adapter is lightweight and portable, making it easy to transport and store. It eliminates the need for multiple inflating tools and reduces your burden. 3. Wide ApplicationSuitable for various water sports equipment such as surf paddle boards, canoes, kayaks, inflatable boats, and air beds. 4. Easy Inflation: With an inner seal, this adapter allows for easy inflation and deflation of boats. It ensures no air leaks between adapters, providing a hassle experience. 5. Quick ConnectionThis adapter enables fast connection between SUP hand pump valve adapters and other valve adapters for efficient inflation. 6. Specifications: 7. Material: Plastic 8. Color: Black 9. Diameter: 30 mm