3Flap Medium Dog Door for Door with Metal Sliding Lock Panel Energy Efficient Pet Door with Steel Frame Telescoping TunnelNever Rust Ruff Weather Doggie Door Pets Up to 40 Lb

3FLAP Dog Door for Exterior Door Built with a sturdy steel frame and an steel sliding lock this doggy door is designed to withstand daily use and all weather conditions ensuring longlasting performance EnergyEfficientMIAOTONG Doggy door for door an insulation flap provides enhanced thermal protection helping to maintain your homes temperature and reduce energy costs Perfect for both hot and cold climates Magnetic SealMIAOTONG Doggie door for door equipped with two dog flaps featuring magnetic strips at the bottom this design ensures a secure closure keeping out drafts rain and unwanted pests while allowing easy access for your pets Secure Metal Sliding PanelMIAOTONG pet door for door the included metal sliding panel allows you to control when your pets have access providing an extra layer of security and peace of mind Easily slide it into place to keep the door closed when needed PreAssembled for Easy InstallationMIAOTONG doggie door comes preassembled making installation a breeze Simply follow the included instructions for a quick and hasslefree setup so you can start enjoying the convenience right away