Measurements:

* Overall Size: 292mm x 292mm (11 1/2? x 11 1/2?)
* Cut Out Size (Glass): 263mm diameter (10 1/2?) diameter.
* Pet Max shoulder width: 180mm (7 1/8?)

Features:

1. Universal Fitting
2. Fits Sliding Windows & Doors
3. White finish with See Through Rigid Flap
4. 4 Way Security Lock
5. Suitable for cats up to 18kg (40Ibs)
6. Suitable for cats and small dogs
7. Suitable for single and double glazed units*

* It is not possible to cut holes in toughened glass or double glazed units
except at the time of manufacture. Please consult a glazier.