ZipWall ZipDoor Standard Door Kit for Dust Containment, ZDS Seal any doorway in a minute. Goes up fast with ZipWall double-sided tape Pre-installed heavy duty zippers provide easy access Reusable, pays for itself in time savings Made from high quality 4 mil plastic sheeting 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) Two Year Warranty