QUICK-ACCESS THROUGH POLY SHEETING - Use Zip-Up's self-adhesive zippers to create quick entrance through dust containment poly sheeting INDOOR/OUTDOOR ZIP DOOR ACCESS – Designed for long-term indoor/outdoor use in all weather conditions, can be used in temperatures ranging from -20 to 150 degrees fahrenheit PATENTED PEEL & STICK INSTALLATION – Zip-Up’s unique adhesive has been formulated with “quick-stick” technology which allows time for initial repositioning then securely bonds zipper to poly sheeting AIR & WATER-TIGHT SEAL – Zipper door provides air and water-tight seal, keeping clean space free of dust and debris, perfect for any jobsite, construction site or remodel DOUBLE SIDED ZIPPER SLIDER – Each zipper hatch has a double sided zipper slider to allow for easy opening from either side