Qeelko Aluminum Pet Door with Panels,Durable Dog Door with Automatic Closing Magnetic Flaps, Slide-in Panel & 4 Security Locks, Ideal for Interior and Exterior Doors, Screen and Wall, Medium, Sliver

About the Size: The opening size of the double doors 11”x 14” and is designed for pets up to 44 pounds. It is suitable for cats and large dogs. It is perfect for households with multiple pets. You don't need to worry about getting them in and out.. New Upgraded Door: Our dog door has 2 opening panels, similar to interior doors, easy to use, black translucent doors reduce UV damage. Surrounded by aluminum alloy frame, sturdy and durable. Your pets will be very happy because of this excellent pet door.. Good Seal: This aluminum doggy door has opening panels which are spring loaded hinges and 4 magnetic buckles to enable the door to seal tightly, insulate extremely well against all weather conditions. At the same time, it can better prevent the entry of some insects, mice, etc.. Safety Design: Our pet door includes an aluminum panel, it is in the back of the frame, you can control entire door and frame to make sure your pet in the yard or in the room and prevent the stray dog entering your house. The double-doors can also be locked with 2 built-in locking pins, safer.. Easy Installation: This medium dog door can be easily installed on all in all doors and walls, including a cutting template and step-by-step instructions. You only install between 1.25'' and 2.5” thick door or wall. （Reminder: Before installing pet door frames on a hollow door, please fill the gap inside the door with base & spacer.）