Sleep Master 11-Inch Euro Box Top Memory Foam and Pocketed Spring Hybrid Mattress, Queen Mattress layers include: 1.5" premium memory foam, 2" pressure relief foam, 7.5" iCoil system A luxurious Euro Box Top plush comfort layer on top of a core of hundreds of independent-operating springs The iCoil system helps to virtually eliminate all motion transfer CertiPUR-US Certified; Scent: Memory foam mattresses are often associated with having a distinct odor Limited 5 year warranty; Scent: Evergreen is a green tea extract that naturally neutralizes odors from day one