Medium Dog Door for Exterior Doors, Heavy Duty Aluminum Dog Door, Extreme Weather Doggie Door with Dual Flap Insulation and Lockable Security Panel for Medium Dogs

["[Durable Thickened Aluminum Alloy Frame] Built with a reinforced aluminum alloy frame for superior strength and durability. Rust-resistant and corrosion-proof, ensuring long-lasting performance for everyday use","[Excellent Airtight Seal for Energy Efficiency] Designed with strong magnetic side and bottom seals to create a tight closure. Helps block drafts and reduce energy loss while keeping your home comfortable","[Secure Locking Panel for Added Safety] Comes with a sturdy security panel and safety lock to prevent unwanted animals from entering at night, giving you peace of mind","[Weather-Resistant Dual Flap Design] The double-flap system helps protect your home from rain, wind, snow, and extreme temperatures while allowing your dog to move freely","[Easy Installation with Included Template] Designed for quick installation on exterior doors. Includes a step-by-step installation guide and cutting template to make setup simple and hassle-free"]