Dimensions: The dimensions of the cat flap are: Width : 5.3cm * Length: 25cm * Depth: 23.5cm. The size of the entry hole is 19x18 cm. 4-way locking: the cat flap has 4 locking modes: fully closed, fully open, entry only, exit only. < p> Thermal insulation: the edges of the cat flap are sealed to prevent energy loss, eliminate door noise and keep the air out. Pet’s weight: The cat flap can accommodate any animal weighing up to 7 kg. Included: 8 mounting screws included in the package.