Adhesive Zipper Door is an instant door made easy. Make access to your greenhouse simple and convenient with this time saving product. Simply attach the included adhesive to the surface of which you would like to gain access and attach the Zipper Door. Unzip and you are IN! Zip up in a flash and close off the area to light and pests. For use with greenhouses, hoop houses, indoor/outdoor structures, and many other types of enclosures.