1、Lightweight and useful, easy to install in your kayak. 2、Scupper Stoppers can be used to plug the scupper holes in your ocean kayak. 3、It will help you stay dry while you are paddling. 4、Made of nylon material. 5、Convenient to carry out. Description: Material: Nylon Color: Black Outer Diameter: Approx. 4cm / 1.6 inch Height: Approx 3.4cm / 1.3 inch Lightweight and useful, easy to install in your kayak. It will help you stay dry while you are paddling. Features:Lightweight and useful, easy to install in your kayak. Scupper Stoppers can be used to plug the scupper holes in your ocean kayak. It will help you stay dry while you are paddling. Made of nylon material. Convenient to carry out. Package Included:4 x Scupper Stopper Bung