Product Description Safely cover a doorway with zippers already installed in under a minute. Saves hours on jobs with lots of doors. Attaches to door frames with double-sided ZipWall Tape – firmly holds plastic on one side, gentle on surfaces on the other. Allows repositioning for up to an hour. Flap hooks hold up door for easy entry and exit. Made from 4 mil plastic sheeting. Includes two pre-installed zippers. ZipDoor Kit contains one ZipDoor, two flap hooks, and one roll of 1′ x 24′ ZipWall Tape,enough for one installation to seal one standard doorway up to 3 x 7 (For ease of installation, actual ZipDoor size is 4 x 7.5) From the Manufacturer The ZipWall Dust Barrier System can be set up by one person in minutes without tape, ladders or damage. Build a barrier up to 20 high and as wide as needed using plastic sheeting or ZipFast Reusable Barrier Panels. Our complete system includes accessories to create doorways in the barrier, form tight seals at the ceiling, walls, and floor and to easily seal off doorways, larger openings, and fixtures. The ZipWall Dust Barrier System is ideal for residential and commercial contractors doing remodeling, drywall work, painting, concrete work, lead abatement, mold remediation, and more.