Make repairs that you never knew were possible fast and easy with FiberFix Rigid Patch! The industrial-strength fibers combined with a specialized resin will harden like steel so you get a permanent fix that is perfect for flat surface repairs. Just place the patch on the broken object and let the sun do its job. Your item will be completely repaired within 5 to 15 minutes. You can also use a UV flashlight. Use it to repair household and outdoor objects like boats, water heaters and down spouts. The patch is heat and cold resistant and air and water tight. You can also sand and paint it so that no one will know the difference. The package contains four 3"x3" patches.