Energy Saver Self Adhesive Strong Under Door Silicone Sweep WeatherStripping Weatherproof Door Bottom Seal Strip Insulation Draft Stopper Noise Dustproof,2" Width X 39'' with+Adhesion Promoter(2PCS) ?? --Important: Extreme temperatures will result in poor adhesive performance. Apply this seal only if the air and surface temperature is between 55- 104F(13 - 40C). If 45-54F(7 - 12C) you can use a hair dryer and warm the tape and surface of pickup 6in (15cm)section at a time, then apply. ??ONE SIZE FITS ALL DOORS--Each door seal is 39" long and 2" wide. It can seal gap of up to 11/10".Can be used on interior and exterior doors of all types.Fast and easy installation within 2 minutes.Can also be cut to different size according to your need. ??EFFECTIVE SOUNDPROOFING DESIGN -- sealing strip adopts three layers design so that it has tripple soundproofing. The sound holes improve the effect of soundproofing by 60%.MULTIFUNCTIONALITY--windproof,dustproof,weatherproof,energy-saving,soundproof,verminproof,crashworthy. ??HIGH QUALITY MATERIAL--special design with more suitablity released by CloudBuyer. Waterproof backing adhensive is made of thickening back adhensive, can be used at moist place like bathroom. The length of thickening layer is 1mm , and its stickness is stronger so that it would never drop off after installation. ??SUITABLE FOR ANY KIND OF DOORS--suitable for frameless swing doors , glass doors, door bottom, plastic steel windows, aluminum alloy windows, cabinets, wardrobes , furniture , swing doors, bathroom and so on. Installation 1. Measure the gap 2. Clean the door 3. Cut the excess seal 4. Apply to the door