Sealing the butt joints on lap siding? These Bear Skin flash sheets make it easy. They're a durable, non-corrosive material that peels and sticks right over the joint to block water and wind-driven rain. Each sheet is 13x6 inches, pre-cut, and comes with a repositionable adhesive strip so you can adjust it before final press. They handle temps from -40°F to 180°F, so they're good for pretty much any climate. Pack of 50 sheets, convenient to carry on your tool belt. A simple, effective way to improve weather resistance and prevent moisture issues behind your siding.