Energy-efficient pet door featuring a flexible flap design for easy pet access Quiet flap that is made of multiple horizontal plastic slats with magnets. Magnetic airtight seal withstands high winds while ensuring a comfortable experience for pets Aluminum-framed panel offers durability and sturdy installation Secure locking cover enhances safety and security for your home Available in small to extra-large sizes, accommodating pets of various breeds and sizes The High Tech Pet Armor Flex Pet Door provides exceptional energy efficiency and security through an innovative segmented flap design and heavy-duty aluminum construction. Engineered for extreme weather, it gives your pets effortless freedom while maintaining a tight, wind-resistant seal.Innovative Segmented Flap & Magnetic SealThe flap is constructed from interlocking ABS composite segments that provide horizontal rigidity to seal tightly against the frame while offering vertical flexibility for smooth, safe pet passage. A matrix of rare-earth magnets lines the perimeter, maintaining an airtight seal that withstands high winds and severe weather.Heavy-Duty Frame & Security Locking CoverBuilt with industrial-grade, heavy-gauge aluminum and finished with a durable, scratch-resistant powder coating, the frame is engineered to resist daily wear and tear. An included secure locking cover snaps into place to prevent unauthorized access and keep your home safe when the door is not in use.Technical Specifications & Features: All-Weather Barrier: High-strength ABS composite flap and rare-earth magnetic seal maintain thermal insulation year-round. Durable Construction: Heavy-gauge aluminum frame with a scratch-resistant powder-coated finish. Flexible Installation Options: Designed for standard door mounting, with wall installation available via optional tunnel connectors. Versatile Sizing: Available in Small to Extra-Large sizes to accommodate pets of all breeds.