Indestructible Thickened Aluminum Alloy Frame Ensuring unrivaled strength and durability Enjoy rustproof corrosion protection and longlasting performance Unmatched Airtightness HANIMLs extra large dog door offers outstanding airtightness with its seamless sidebottom magnetic design Say goodbye to energy loss and hello to improved energy efficiency Enjoy a draftfree and comfortable indoor environment Unparalleled Security and Peace of Mind The robust thickened closure panel with a safety lock ensures you dont have to worry about small animals getting in at night Extreme Weather Resilience HANIMLs XL dog door is built to withstand all seasons With its dualflap design it protects your home from rain wind snow and heat Enjoy yearround comfort Effortless Installation Process Installing HANIMLs extra large dog door for exterior doors is a breeze Our product includes an installation guide and cutting template Absolute Customer Satisfaction We are committed to delivering exceptional customer service and using topquality materials in all our products If you have any questions or concerns our dedicated support team is here to assist you