This Sunolga 38 inch draft stopper is designed to offer superior insulation and comfort for your home. Made from high-quality linen and filled with 3D high-density cotton, it keeps your room cooler in summer by blocking hot outdoor air and reduces the workload on your air conditioner. It's also great for soundproofing, helping to eliminate outside noise and keep your living space quiet and peaceful.","Ideal for use under doors with gaps up to 3 inches, this versatile draft stopper can also be used with windows, glass doors, and wooden doors. It's perfect for those looking to save energy, maintain a clean and quiet environment, and keep their home secure from dust, insects, and small animals. Its hook and loop system allows it to move with your door and makes storage a breeze when not in use.