【Single Side Sliding Door Sink Stopper】Fit for doors up to 37 inches. Total height is 3.5 inches. 1.2 inch diameter foam tube is perfect for blocking large gaps under doors. Under door wind shutters protect your home from severe weather, rain, snow, dust and other weather-related factors. 【Noise Reduction, Energy Saving/Money Saving】- Our door pull stopper is designed to effectively reduce noise, prevent dust from entering the door and keep the room quiet and clean. The air restrictor on the bottom door prevents air conditioners or heaters from leaking, allowing your space to be cooled or heated more efficiently. And help lower electricity bills to save energy and money. 【Worthy and Quick Installation】- Install our under door sink stopper. All you have to do is measure the door gap, remove the adhesive, attach the Velcro to the desired side of the door, and then install our door pull stopper. You can remove it at any time and it will not damage your door. The one-way adjustable door handle has a good grip, is easy to turn and adjust, and can be securely installed under doors up to 94 cm. 【Use Anywhere】- The single-sided door stopper has good adhesion, no annoying scratching sound on the floor or window, and will not damage the floor and windows. A practical, durable and economical door stopper for every family. The single-sided insulated draft stopper is suitable for indoor and outdoor doors, garages, bathrooms, windows, etc. 【Money Back Guarantee】- All our door seals enjoy free and fast replacement or full refund! Price/quality ratio guaranteed. If for any reason you are not satisfied with your purchase, please contact our professional customer service. We will reply to your message within 24 hours. We just want every customer to be satisfied with their purchase! Thanks again!