Introducing the PetSafe Staywell Original 2 Way Pet Door Flap, suitable for both cats and dogs of a small size. The The overall dimensions of the flap are 251 x 251 mm with a cutout size of 185 x 158 mm. This locking flap door will provide your pet with easy and secure access to the outside world, while the white colour will complement any home decor, manufactured in China. This pet door is perfect for pet owners who value convenience and freedom for their furry friends. Tools needed to fix are included on the box.