Sleep with Memory Foam 2 Night via eBay continues to offer this 14" Memory Foam Mattress
in King or California King for $399.99
with free shipping
. That's $50 under our mention from last month and $100 under the lowest total price we could find now for a similar mattress elsewhere. It features an 8" high density supportive base foam, 3" core foam support structure, 3" cool memory foam top layer for air circulation, and more.