The double windproof two sides are tightly wrapped, which can prevent the loss of indoor capacity, save energy and electricity bills. Door sweep design is adopted to effectively reduce noise, prevent cold wind Just go along one end through the gap in the door's bottom no screws, nails or glue. Conveniently moves with the door, no need to constantly bend down to re-position. Your door threshold may be the most vulnerable entry into your home. Our under door seal for exterior/ interior doors help you create a quite home environment and sleep well from less noise. At the same time, it's installation is very easy, can be cut and washed and used repeatedly. Under door draft stopper is made of foam material, it can bend and deform, which is flexible, waterproof, windproof, durable, soft, will not damage floor and door. It is easy to cut to a suitable length and you can use for any door with crevice.