Give yourself another layer of comfort with the 4 in. Supreme Memory Foam Mattress Topper by LoftWorks. Put this mattress topper right over your mattress for added support, in your choice of available sizes. The easy-to-clean polyester blend cover comes in a textured purple pattern and offers medium firm support, making it a great choice for sleepers with in-between needs. The mix of air foam and HD foam combines for an elevated experience. Wash the removable cover in the machine on cold, then tumble dry low - do not bleach. The foam should be spot cleaned only. This mattress topper ships compressed in an unmarked box. Remove from packaging within 72 hours and then allow 48 hours for it to return to its original shape.