Okay so I measured the crates - I have 3 of the same size (did have 4 but one's missing a door lol).
67cm long x 50cm high x 35cm wide (give or take a cm)
Took a pic too....told you they were in the shed gathering cobwebs! The daddy longlegs were not happy, and the dogs wanted to pee all over it. Sorry it's so filthy