The Closer Pets 221 Large Cat Flap is specially designed for large cats and smaller dogs, with a shoulder height up of to 36cm, including Yorkshire terriers, Pekinese, dachshunds and miniature poodles. The frame of the cat flap is ideal for all doors with a thickness of up to 5cm. This Closer Pets 221 Large Cat Flap has a brush seal and magnetic closure, to help prevent draughts or rain from entering. The seal is strong enough to stop the wind from opening to it but allows your pet to enter with ease. Opening and closing the Closer Pets 221 Large Cat Flap makes little noise, to ensure that neither you nor your pet become startled. Thanks to the four-way locking with double-lock, you get to decide whether the flap is open, closed or passable in just one direction. Closer Pets 221 Large Cat Flap at a glance: Cat flap for large cats and small dogs (shoulder height up to 36cm) Casing suitable for installation in a panel up to 5cm thick: for narrower doors, the cat flap can be shortened using the pre-made grooves Transparent flap: allows your pet to look through Soft opening and closing Easy to install and use Available in white and brown 4-way locking: Just in Just out In and out Locked Total dimensions: 23.5 x 25.2cm (W x H) Cut-out dimensions: 21 x 22.7 cm (W x H) Entrance opening dimensions: 18 x 19.7 cm (W x H) Installation options: for all doors up to 5cm thick Draught stopper: thanks to magnetic closure and brush seal, making it waterproof and draught-proof 3 year guarantee