Dog crate pads/ flat dog beds (Curtis Park)

These are the thin flat dog beds that often are used to line crates or can be used on a carpeted floor. I have two --an extra large (fits 48" long crate) and a small. The last photo is the backside.
The label on the large one says: "Quiet Time bolstered bed."
What it is not:
It is not cushioned or stuffed, so not for arthritic dog, unless maybe it is on carpet.
It does not come with a crate.