Homax CinchTite 0.25 ft. W X 7 ft. L Plastic Tarp Zipper Door Blue

Creates an instant closeable access door in tarps or plastic sheeting. For interior or exterior use. Ideal for dust walls, vapor barriers, boat covers and green houses. Works in extreme heat and freezing temperatures. Perfect for all types of construction. Prevents heat loss, stops dust and reduces migration of moisture. Installs in minutes.