1. Block The Light: Perfectly seals any gaps in exterior/interior doors, window sills, sofas and cabinets. Door Draft Stopper can prevent door wind, odor, dust, noise; also block the light under the door. 2. Wide Range Of Application: Under Door Draft Stopper can be cut to fit narrow doors. Widely used in frameless sliding doors, glass doors, sliding doors, wooden doors, cabinets, wardrobes, other furniture and other types of doors and windows. 3. Simple Steps To Use: No more constant bending over to measure door width and reposition. Draft Stopper slides easily over carpet, wood, tile, linoleum and more without getting stuck on the floor exterior. 4. Create a Quiet Environment: With thick foam construction, Door Bottom Seal Strip can create a quiet and comfortable environment, cancel noise, improve sleep quality or work efficiency. 5. Prevents Rainwater From Seeping: Under Door Seal prevents rainwater from seeping into your home, insulates your doors and windows and blocks outdoor air circulation. Keep your room warm in winter and cool in summer.