Package : You receive 4 rolls of dust zippers and 1 plastic sheeting cutter, each roll measures 7 ft long x 3 inch wide, generous length makes it to be applied in different scenarios. Sturdy Material: Crafted with plastic teeth and Oxford fabric, this dust-proof door zipper resists tearing. Its strong self-adhesive backing bonds securely to plastic sheeting and tarps. Double-Side Zippers: Acshio dust barrier zipper opens smoothly from both inside and outside, perfect for quick access in greenhouses, construction sites, or temporary enclosures. Simple Installation: Just peel, stick, and cut. Remove the adhesive liner, attach the zipper to your barrier, and use the included cutter to create a neat entryway. No tools or extra adhesives needed. Versatile Applications: These instant door zippers are designed for dust control, weatherproofing, or space division, and can be used with plastic sheeting, grow tents, tarps, and more. Ideal for home renovations, construction sites, grow tents, and outdoor shelters. Color: As Shown Material: plastic Package Contents: 1*set zipper for plastic sheeting 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.