PRODUCT DIMENSIONS Frame 1693W x 2677H Door flap 1457W x 2343H Fits screeens doors walls and glass 0 28 thick For pets up to 220 lbs 2WAY LOCKING PANEL The composite aluminum locking panel provides security from unwanted guests and allows 2way locking for maximum control over pets access open locked DRAFT AND WEATHERPROOF 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 space 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 sizemodel 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 pets width and height choose a door size that fits your pet correctly Remember to allow for pets future growth Breeds XLarge size is ideal for dog breeds up to 220 pounds such as Great Danes St Bernards Newfoundlands Pyrenean or similar