CinchTite, 7′, Peel ‘N Stick Tarp Zipper Door, A Self Adhesive Instant Door For Tarps & Plastic Sheeting, Create An Enclosed Accessible Work Area In A Matter Of Minutes, For Use In Construction Sites, Work Areas, Greenhouses, Marine, RV & Camping, Heavy Duty 950 Denier Poly, Works In Temperatures -20 Degrees To 150 Degrees Fahrenheit, UV Resistant, Opens From Either Side.