Use Sears coupon code SEARS2013
Sears has this Serta Twin Kinsley Plush Mattress for $329.99 after instant savings. Use coupon code SEARS2013
and the price drops to $324.99. Shipping is $69.99, but mattress orders of $599 or more receive free delivery from Sears. This mattress is also available in Twin XL
for $364.99 after coupon. Deals end December 31.