Our shelter uses the Midwest Kennels and like the plastic trays better. We are always hosing the trays and kennels down and after a while metal trays rust and the paint flakes off. The plastic ones last longer as long as it is not a major chewer.

Pros: never rust like metal trays

Cons: can crack and be chewed

Crates that have plastic pans that slide out work so much better then others. They are very easy to clean and a wonderful idea.

Pros: works well

Cons: none

I have mostly platic trays in crates, and they tend to crack with time. Since Labs are usually heavier, after they have been here for awhile, they crack over time. I do have an older one with a metal pan, but it is harder to keep clean. I wish they were more durable

Pros: Come out easy

Cons: Crack easy

I haven't had to replace one yet but I keep one handy incase I get a chewer for a foster dog. Once they do get chewed on enough they break easily after that. So far so good.

Pros: easy to clean

Cons: none

chew chew chew

Pros: its plastic

Cons: easily chewed up