Through 8/22, Overstock takes $10 off the Serta 3-inch Memory Foam Topper with Contour Pillows reducing the price from $119.99 to $109.99. This set, which retails for $159.99, includes a 3-inch high density memory foam mattress topper and two contour pillows. This hypoallergenic, anti-microbial, temperature-sensitive foam cradles your body, reducing pressure points that cause tossing and turning. It comes in four sizes: full, queen, king, and California king. Shipping is $2.95 and there's no sales tax (except UT).