Foam King mainly manufactures a wide selection of quality bed bases made of a kilned dried pine wood frame with hard wood central support slats. The frame is cushioned by Polyurethane (PU) foam sheets and covered with quilted fabric. The total thickness/height is 12'. The base has hardened PVC push-type legs supplied with each base for sizes single, three quarter and double. The queen and king sizes come with hard wood sculpted legs.