Custom formulated using new Low-Density Copper Technology to provide dependable protection at a very affordable price. Woolsey Defense is a traditional hard modified epoxy bottom paint that utilizes the latest antifouling technology. Low-density copper content is equivalent to over 45% traditional cuprous oxide. Woolsey Defense’s hard finish is able to withstand season-long use and abuse. Compatible over most hard bottom paints. Suitable for all non-aluminum trailered boats.