Take look at this. http://www.westmarine.com/webapp/wc...ngId=-1&productId=123495&ref=YPF

My cousin has one of those on his 42’ sailing boat. You probably would be able to find one for your cat.


As far size – they have some tables that you can get the dimensions from.
http://www.westmarine.com/webapp/wc...angId=-1&productId=79803&ref=YPF

Good luck

Kris