Easy to Install: Don't worry about the complicated procedures of using our products. You just need to tear off the adhesive paper of the zipper and where it needs to be pasted, and then use our blade to cut the size suitable for your door. Self-Adhesive Design: Our heavy-duty zippers adopt a self-adhesive design, which has a strong adhesive, zips smoothly, and installs quickly and easily, sparing your time and effort. Practicality: Our heavy-duty dust-proof zipper can well prevent dust from entering, creating a comfortable entrance , providing great convenience for your entry and exit. Product Size: Our self-adhesive zipper is about 7ft/213cm long and 3in/7.6cm wide, which is a moderate size and suitable for doorways of most sizes. It is very versatile and you don't have to worry about the problem of inappropriate size.