Our heavy-duty zippers come with a strong adhesive backing, perfect for creating temporary entrances/exits in plastic film. indoors or outdoors, they can withstand harsh weather, including strong winds and heavy rain. With a double-sided zipper, our greenhouse zipper is easy to access from both sides of the barrier. Quick and easy opening and closing, no bending or stooping required, ensuring easy passage for everyone. Made of sturdy plastic-coated metal, our self-adhesive zippers are rust-proof and waterproof. Large, sturdy zipper teeth a seamless glide every time. Each set includes 2 zippers and 1 convenient plastic film cutter. Simply peel off the adhesive backing, zip up the zipper position, and use the provided cutter to achieve a smooth opening. The dust-proof zipper is very effective in keeping out dust and debris when securely closed. This outdoor tent zipper is perfect for both indoor and outdoor applications, such as greenhouses, grow tents, films, dust barriers. 7 feet long, can adapt to heights, a must-have for home decoration and construction sites. Please make sure the installation location is correct in advance and make sure it is clean and dry. Then, stick -duty zipper, making sure the zipper head is facing down. After sticking, please avoid removing it to maintain the bonding strength. Colour:Black Material:nylon Size:3In x 7Ft Package Contents: 1set * heavy duty zipper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.