This kayak pump is used to drain water from your kayak or hatch to prevent capsizing or submersion. It features a leak-proof design with a removable gasket to prevent water from flowing out of the water inlet. The outer EVA wrap is non-slip for added flotation. The ergonomically designed handle makes it easy to grip. This is a great safety device to save yourself when you are in danger of submerging your kayak. The product size is 46x6x1cm/18.11x2.36x0.39in and is made of EVA material.