Dr. Shrink Heat Shrink Tape Pinked - 4in x 180' Blue. Shrink's Heat Shrink Tape is a 9-mil backed tape with no UV inhibitors. Heat shrink tape is designed to tape seams patch holes and secure zipper access doors. Dr. Shrinks' Heat Shrink Tape is available in white blue and clear. The DS-704BP Heat Shrink Tape is blue in color and comes in a 4" x 180' roll. It features a pinked edge. Features of Dr. Shrink Heat Shrink Tape Pinked - 4in x 180' Designed to tape seams patch holes and secure zipper access doors Pinked edge 9-mil backed tape with no UV inhibitors Tape Color: Blue Roll Size: 4" x 180' Package Contents: Dr. Shrink Heat Shrink Tape Pinked - 4in x 180' Dr. Shrink DS-704BP: Heat Shrink Tape Pinked - 4in x 180' Blue