Key Features Brown Large Cat Flap Suitable for Large Cats & Small Dogs Self Lining to 50mm Thick 4 Way Locking Easy to Install The Large Cat Flap by Cat Mate is a generously sized door for easy access in and out of the home. Providing a large opening for larger cats and smaller sized dogs such as Yorkshire Terriers, Pekineses and Dachshunds, this self-lining Pet Flap is easily installed and features a 4 way locking system for complete control over your pet’s access to your home. The flap can be set to: Unlocked In Only Out Only Locked ) Specifications Dimensions: Width: 235mm (9.25") x Height: 252mmmm (10") Cutout Width: 210mm (8.25") x Height: 227mm (9") Dogs To Shoulder Height: 360mm (14")