Washable, anti-microbial, anti-dust mite, polyester cover * Luxury Italian open cell memory foam that is pressure sensitive * CertipurUS certification (sleep tight knowing your child"s mattress is certified by leading quality and safety standards certified to have nothing harmful in the mattress)THIS MATTRESS MEETS OR EXCEEDS THE REQUIREMENTS OF 16 CFR PART 1633 (FEDERAL FLAMMABILITY(OPEN FLAME) STANDARD FOR MATTRESS SETS) WHEN USED WITHOUT A FOUNDATION. * Non Skid bottom to make sure the mattress stays in place * No motion transfer.