The XFasten Window Isolation Tape is a strong and weatherproof window sealer film tape that stops leaky and drafty windows from leaking cold and icy air especially during the winter. It works even on cold temperatures of as low as -17°C and its pressure-sensitive adhesive stays firmly for the whole winter duration and removes cleanly when you need it to by Spring. Why Choose the XFasten Clear Weather Seal Tape? Heavy-duty adhesive. This adhesive stays strongly even under strong cold wind pressures. Make sure to clean the surface and press the tape firmly to ensure a greater bonding strength. Stops Cold Drafts Aggressively. Perfect for winter cold drafts as it can stay firmly even on extremely low temperatures. Does not shrivel or degrade over time. Removes Cleanly-Perfect for Space Renters. Do you need to remove it after a few months? Then no need to worry! The XFasten Double-sided Window film tape is residue-free and gentle to surface finishes meaning it will not damage the surface upon removal nor will it leave a sticky residue especially on wood surfaces. Why Choose the XFasten brand? We follow a set of strict laboratory and manufacturing standards which are accredited by ISO 9001. Also our customer service team will accommodate you any time of the day on your inquiries—even for products which have been purchased many months ago. This is what a true worry-free purchase means.