Dr. Shrink Heat Shrink Tape Size 4″ X 150′ Color Blue. Heat Shrink Tapes are Designed for Repairing Holes in the Shrinkwrap, for Taping Pleats and also for Attaching Zipper Access Doors. Heat Shrink Tapes are not designed to be stuck to the hull or other parts of the boats, as they will leave an adhesive resi