Strong Silicone Material: Made from high-quality flexible silicone that ensures long-lasting durability, strong sealing, and easy installation without damaging your door. Blocks Air, Dust & Insects: Effectively prevents AC air leakage, outside dust, cockroaches, insects, and bugs from entering your room, keeping your home clean and comfortable. Perfect Gap Filler: Designed to seal gaps under doors, this strip works as a door bottom seal, draft stopper, and gap filler for wooden, metal, and bathroom doors. Waterproof & Multi-Use: Ideal for bathrooms and kitchens, it acts as a water stopper and noise reducer, making it perfect for all weather conditions. Easy to Install & Cut: Comes in 39 inches length, can be easily cut to fit different door sizes. Just attach and use—no tools required.