Sleep Master 10-inch Pressure Relief Memory Foam Mattress, King
80"W x 76"L x 10"H
Mattress is like new and clean, we used it for 10 months with a mattress protector. It's like sleeping on a cloud, but one of us doesn't like to sleep on clouds. :-)
Purchased in Oct 2014 from Amazon: http://www.amazon.com/gp/product/B006LAM2K4