Sufficient quantity: the package contains a total of 8 pieces of black kayak drain plugs, which is easy to use and operate, adequate quantity to meet your daily needs and replacementsSturdy and serviceable: made of quality and reliable silicone material, the scupper plugs are sturdy and durable for daily use, they are not easy to crack and fray, which can serve you for a long timeSize information: the length of each kayak scupper plug is approx. 1.25 inch and the lower diameter measures approx. 1/2 inch, which is suitable for kayak scupper hole range of 1/2 inch openingEasy to apply: the scupper plugs can be easily installed in your kayak, helping prevent water from entering the kayak, and the scupper plug allows you to pull out and replace convenientlyScope of application: these kayak scupper plugs are compatible with most kayaks, which can effectively keep water from intruding into the kayak and keep you dry out on the water