Fireproof, Weather-Resistant, Flame Retardant Silicone Rubber Seal Strip. Customizable Colors: Black is standard, but grey, brown, white, and other colors can be customized upon request. OEM and ODM Services: Professional team available to produce products based on customer samples or technical drawings. Efficient Heat Insulation: Structure designed to block cold air leakage and external heat intrusion, reducing energy consumption. Collision Protection: Acts as an anti-collision bar to protect door bodies and frames from impact damage. Easy Installation: Reasonable design allows for fast installation without professional tools or complex steps. Durable Service Life: Strict quality testing ensures long-lasting performance and reduced replacement costs. Fast Delivery: Stock items delivered in 5-10 days; mass production takes 15-20 days.