Shrink Wrap International Blue Boat Shrink Wrap Tape The Shrink Wrap International Blue Boat Shrink Wrap Tape features no UV inhibitors, is 9 mil-backed, and blue in color. It is made to patch holes in the wrap, secure zipper access doors, and tape seams. It is also recommended that boat shrink wrap tape not be used longer than 60 days an adhesive residue will result. Give your blue shrink wrap a professional finish while protecting your boat in the off-season. Features Secures Zipper Access Doo