- Windproof and energy saving: Seals in heat and cool air to keep rooms comfortable year round, reducing heating and cooling costs. Also windproof and dustproof to maintain a warm, clean space. - Noise reduction: Interior PU foam acts as a sound barrier, lowering external noise for a calmer room. - Easy to install: Measure the gap, cut the seal to size, clean and dry the surface, then peel and stick onto the door or window frame. No tools required. - Quality materials: Made from eco friendly materials. Outer PE film and inner PU foam are flexible, resistant to deformation, durable, waterproof, wear resistant, and scratch resistant. Odor free and safe for floors and windows; long service life. - Compatibility and performance: Fits most standard door and window gaps and can be trimmed to fit smaller gaps. Provides effective sealing without hindering operation. - Use scenarios: Ideal for living rooms and bedrooms in homes or apartments; suitable for offices with drafty windows; beneficial for basements or garages to reduce drafts.