Bedding will never be the same with Visco-elastic memory foam added to the mix! Ripples, waves, and coils will lull you to sleep on this Zone Egg Crate Memory Foam Mattress Topper and support your body as you sleep on your mattress that may have seen better days. Zone Egg Crate Memory Foam Mattress Topper supports weight dispersion of different sleeping positions on top of your bedding for ultimate comfort. The Visco-elastic memory foam springs back into place each time you take your weight off of it.