Unique Design: With 5/16 inch T-ends and a 3 3/4 inch width, this garage door seal features a U-shaped + O-ring combination design. It's a heavy-duty weatherproof component that effectively prevents air, moisture, dust, and insects from entering your interior spaces. It also reduces the chances of outdoor winds making their way indoors, enhancing the building's insulation and thermal properties. Durable and Stable: Our garage door bottom seal is made of high-quality rubber, ensuring excellent elasticity and sealing performance. It reduces the risk of tearing by 50% and can withstand daily use and varying weather conditions. It maintains optimal performance within the temperature range of 40°F to 140°F. Superior Insulation: As a heavy-duty weatherproof component, this garage door bottom weather seal features a 7-layer insulation circular design, providing multiple sealing layers