http://www.costco.com/Novaform%C2%AE-3%22-Gel-Memory-Foam-Mattress-Topper.product.100005476.html

Perfect to put on top of those awful graduate resident housing queen size mattresses.

New, unopened in box. Purchased from Costco a while ago, realized I didn't need it. Costco sells it for $145, I'll sell it for $120.