Scupper Stoppers can be used to plug the scupper holes in the cockpit of your Old Town or Ocean Kayak. This will help you stay dry while you are paddling. Sold in pairs. 

Sizing

XS - 1.25 inches at the top and tapers down to 1 inch at the bottom
S - 1.5 inches at the top and tapers down to 1.25 inches at the bottom
M - 1.75 inches at the top and tapers down to 1.5 inches at the bottom
L - 2 inches at the top and tapers down to 1.75 inches at the bottom