Single-sided Sliding Door Draft Stopper: Fits doors up to 94 cm wide. Total height is 8.9 cm. The 3 cm diameter foam tube is perfect for sealing large gaps under doors. These door draft stoppers protect your home from bad weather, rain, snow, dust, and other weather-related factors. Noise Reduction and Energy/Money Savings: Our door draft stopper is designed to effectively reduce noise, prevent dust from entering through the door, and keep the room quiet and clean. The air restrictor at the bottom of the door prevents leakage from air conditioning or heating elements, allowing your space to be cooled or heated more efficiently. This helps lower energy costs, saving energy and money. Quick and Easy Installation: Install our door draft stopper under the door. All you need to do is measure the door gap and remove the adhesive. Attach the Velcro to the desired side of the door and install our door vent. You can remove it at any time without damaging your door. The adjustable one-way door handle has a good grip, is easy to trim and adjust, and fits securely under doors up to 94 cm wide. Use it Everywhere: The single-sided door stopper has a good grip, eliminates annoying scratching noises against the floor or window, and does not damage the floor or window. A practical, sturdy, and economical door stopper for every home. The single-sided, heat-insulated door stopper is suitable for interior and exterior doors, garages, bathrooms, windows, etc.