Leak-proof: Made of high-quality plastic materials, the adapter has high pressure resistance. It is durable with strong sealing and leak-proof performance. Lightweight and Portable: The adapter is easy to carry and store, no need to carry different types of inflation tools. The multi-function valve adapter can meet all your needs and reduce your burden. Wide Application: The adapter is suitable for all kinds of surf paddle boards, canoe, kayak, inflatable boats, inflatable beds. Easy to Operate - Its easy to carry and install.Just need to rotate the adapter into the pump valve and then insert into the inflatable article with the suitable nozzle. Quick Connection: The adapter makes a fast connection between hand pump valve adaptor and other valve adapters. Specification: Material: Nylon Size: Nozzles Max 7.5CM/inch Inflatable Pump Valve Adapter: 15x10x2cm/5.91x3.94x0.79 inch Package Includes: 1 Piece Inflatable Pump Valve Adapter 5 Pieces Nozzles