Grande Hotel Collection Big Comfort 4″ Memory Foam Mattress Topper for $92.99 after activating this link. Shipping is $2.95 for a total of $95.94 shipped. Note the 7% off coupon works for new customers only so you might need to sign up for a new account to use it. Here is a screenshot for reference. The mattress topper is available in King, Cal-King, and Queen sizes. has a 3-lb. density and machine washable polyester cover.