Features: Lightweight, small and portable to carry, you can take it with you to prevent accidents. High quality rubber material, strong and durable, and it will serve you for years. Easy to install and use, just put it on the boat's own drain hole, that is very convenient. Specification: Condition: Brand New Material: Rubber Color: Black Size: Approx. 32 * 25 mm / 1.26 * 0.98 in Diameter: Approx. 35 mm / 1.38 in Weight: Approx. 50 g Package List: 4 * Boat Stoppers Package List 1These stoppers can be used to plug the scupper holes in your ocean kayak and help you stay dry while you are paddling. 2Lightweight, small and portable to carry, you can take it with you to prevent accidents. 3High quality rubber material, strong and durable, and it will serve you for years. 4Easy to install and use, just put it on the boat's own drain hole, that is very convenient. 5The scupper stoppers can be used to plug the scupper holes in your ocean kayak, which is pretty practical.