General description Our door draft stoppers are made of high-quality industrial-grade silicone, designed to effectively block unwanted cold air and drafts from entering your home, ensuring a comfortable living environment. The size of each strip is 2" W x 39" L. Technical specifications Material: Industrial-grade silicone Size: 2" W x 39" L Installation Measure the width of the door and clean the door surface. Cut the draft strip to the appropriate size. Press the strip firmly against the door and leave it for 24 hours for a stronger fit. In cold weather, preheat the strips with a hair dryer to help them stick firmly. Usage Effectively reduces noise, making your room comfortable and quiet. Prevents dust from entering through the door, suitable for both exterior and interior doors. Helps save energy by preventing air conditioning and heating from leaking, thus saving electricity and money. Other information