It is heavy-duty transparent weather sealing tape that completely waterproof & can withstand extremes of heat & cold & be used indoors or out & delivers airtight sealing on drafty windows.  Ideal for installing plastic storm windows, sealing air leaks, repairing cracked glass, etc. It has a special adhesive system which permits application even at -17°C. Thw residue-free window film tape adhesive will not damage surfaces and will not leave a residue nor lift the paint off from your windows upon removal on Spring time.