I doubt they do, but you can call them and ask if housekeeping has them.
When my DD was little, we bought an aerobed sleepaway bed. It's a bit smaller than a twin bed, with raised sides and a mattress pad. It was nice and secure for her to sleep on (I always put a clean flat sheet underneath it when we used it for travel, just to make sure it was on a clean surface). They're about $100 and we got our money's worth out of that thing!