Description: HIGH QUALITY: The air valve adapter with rubber gaskets is made of high quality PVC material, high strength, strong, durable and lightweight. FEATURE: Air pump hose valve adapter is easy to inflate and to deflate. Great replacement accessories for various kayaking. OCCASION: Suitable for outdoor camping, hiking, travel, scuba diving, fishing and other activities. APPLICABLE: Universal fits most inflatable boat, river rafts, kayaks, canoe, fishing boat, dinghy and so on. Specification: Material: PVC Size Chart: A: 58mm / 2.28inch B: 50mm / 1.97inch Package Includes: 1x Valve Adapter for Kayak Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!