Our dog doors for sliding doors come in TWO flap sizes: Medium and Large.
Measure your pet's shoulder WIDTH and HEIGHT then refer to the table below. General Flap Info:
- Measure your pet, do not use weight for a guide.
- Cats are fine with any size flap.
- Bottom rail is only 5cm tall on ALL flap sizes, so great for old/inflexible pets.
- Flap HEIGHT is from GROUND to top of flap - this is the important figure to check against your pet's shoulder height.
- Flaps are clear flexible polycarbonate.
| Flap Size |
Flap Width (cm) |
Flap Height (cm from ground to top of flap) |
| Medium |
22cm |
41cm |
| Large |
27cm |
61cm |
| Extra Large |
39cm |
71cm |
The Overall width of the panels below indicates how much space the pet door will take up in your frame.


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