1. Eliminate door and floor gaps: Dekor door and window sealing strips are designed to fill the gaps between doors and the floor, helping to reduce the infiltration of light, air, dust, and rainwater through the door gaps. 2. Save electricity costs: It can protect the room from external factors and prevent the leakage of indoor hot and cold air in winter and summer, thus reducing the electricity costs associated with frequent heating or cooling. 3. Well - made: This practical gap sealing strip is designed in the form of a door strip, made up of an aluminum metal frame and nylon bristles. The nylon bristles are flexible and are less likely to crack or shrink in various indoor or outdoor environments. 4. Easy to install: Measure the width of the door and mark it on the sealing strip. Use a handsaw to make a 90 - degree right - angle cut from the top to the bottom. Mark the positions of the holes, then fix the screws on the aluminum plate. Use pliers to seal the edges firmly. 5. Upgraded and durable: The upgraded design of this draft - proof strip under the door works as a good door insulation sealing strip that can offer all - season protection. Its simple design is not only aesthetically pleasing but can also blend in with different indoor decorations, and it is practical and convenient.