Hakuna Pets Deluxe Aluminum Pet, Cat and Dog Door with 2-Way Locking Panel for Screens, Doors and Walls up to 2.8" Thick, X-Large, White

PRODUCT DIMENSIONS: Frame: 16.93"W x 26.77"H | Door flap: 14.57"W x 23.43"H | Fits screeens, doors, walls and glass 0" - 2.8" thick | For pets up to 220 lbs. 2-WAY LOCKING PANEL: The composite aluminum locking panel provides security from unwanted guests and allows 2-way locking for maximum control over pet's access | open | locked DRAFT AND WEATHER-PROOF: Fitted with a thick brush seal to block drafts | Strong magnets keep flap centered after each use DURABLE: Painted solid aluminum frame | UV resistant vinyl flap | 3 year limited warranty FOR INTERIOR OR EXTERIOR USE: Perfect for setting up a pet friendly e or pet free zone while keeping kids and larger pets out EASY INSTALLATION: Installs easily with included hardware and template | Adjustable plastic tunnel sections can easily be cut to size with a scissors to create a perfect fit, then slide the tunnel into the frame and tighten SIZE INFORMATION: Suitable for dogs and pets up to 220 pounds. See table below for additional size/model information. Use weight rating as a guide only. 1) Width: measure the widest part of your pet, usually across the chest; add an inch. 2) Height: measure from bottom of chest or belly to top of shoulders (whichever is the tallest) and add an inch. 3) Select size: based on pet’s width and height, choose a door size that fits your pet correctly. Remember to allow for pet’s future growth. Breeds: X-Large size is ideal for dog breeds up to 220 pounds, such as: Great Danes, St. Bernards, Newfoundlands, Pyrenean, or similar