Indestructible Thickened Aluminum Alloy Frame: HANIML’s Aluminum alloy dog doors are more durable than plastic dog doors, while steel frame dog doors have poor corrosion resistance and are prone to rusting. Aluminum alloy dog doors ensure unrivaled strength and durability, with rust-proof, corrosion-resistant, and long-lasting performance.
Weatherproof Dog Door: The magnetic door curtain is designed to close quickly and completely after the dog passes through, preventing rain, wind, dust, mosquitoes, etc. from entering, and protecting you from the effects of both cold and hot weather.
Closure Panel with Safety locks: The sturdy closure panel is equipped with a safety lock. When the panel is locked, it cannot be opened from the outside, so you don’t have to worry about small animals getting in at night.

【STURDY & ENERGY-SAVING】 PATAPLUS Weatherproof Dog Doors are made of strong, high-quality Aluminum . Additionally, they feature Double slide-in locking panels to provide better protection for your home against extreme weather conditions and to reduce energy loss.
【Large DOG DOOR】 Doggie door for Dogs frame size is 17”(W) x 21 1/3”(H), Flap opening is 131/2 ”(W) x 18”(H). It fits paneled, wood, PVC, and metal doors 11/4 ” – 2 1/2” thick, and is designed for pets up to 120 pounds.
【FREEDOM & INDEPENDENCE 】The Aluminum frame of Aluminum material is designed with a backplate, solid magnets, and magnetic flaps that allow your dogs to enjoy free entry and exit, potty breaks, and playtime without your help. Easily prevent any unwanted guests from entering.