【Package Contents】Inside, you’ll find two heavy-duty dustproof zippers. The ample quantity and practical features meet your everyday needs and decorative demands, enhancing your comfort. These sealing zippers stand out with their bright red color. 【Wide Application】Our self-adhesive zipper measures approximately 7 feet / 213 cm in length and 3 inches / 7.6 cm in width, fitting most doorways. It’s versatile for waterproof tarps, liners, plastic sheets, greenhouses, residential areas, dust barriers, and construction sites. 【Easy to Use】The construction zipper door features a self-adhesive design for easy application. Simply peel off the backing and stick it to the plastic barrier—it stays put. It offers smooth opening and closing for a hassle-free experience. 【Resistant and Sturdy】Made from nylon, the dustproof zipper is robust and reliable. Its high density prevents dust and debris from seeping through. Dual metal sliders on the inside and outside make entry and exit convenient. Suitable for indoor and outdoor use in any weather. 【Prevents Penetration】The waterproof tarp zipper, designed for dust barriers, provides a quick and easy passage through plastic dust curtains. It effectively prevents dust penetration and keeps out debris, offering great convenience for workers to move in and out.