RED WOLF Car Aftermarket Radio Stereo Wiring Harness for 2006-2013 Chevy GMC Express Savana Buick with 320 PCS Heat Shrink Tubing 3:1 Ratio Adhesive Lined Insulation Waterproof Black & White
High Shrink Ratio- The shrinkage ratio of Heat Shrink Tube is 3:1. will shrink up to 1/3 of the original diameter of its original diameter when heated and forms a tight seal that is more resistant to stretching and vibration and higher tensile strength than normal heat shrink tubing.
Double-wall Adhesive- Double wall glue inside adhesive lined, with coated hot melt adhesive to prompt the sealing waterproof performance. Outer wall provides abrasion resistance. Inner wall creates a waterproof seal and strain relief.