Selling Zinus 8 Inch Green Tea Cooling Gel Memory Foam Mattress, full sized: https://www.amazon.com/Mattress-Pressure-Relieving-CertiPUR-US-Certified/dp/B01MS26EZ3?th=1. It is in perfect condition.

Fits on most Stanford beds -- can be used directly as a mattress or as a mattress topper.