This One-Sided Mattress spares you the effort of flipping your mattress and provides great value comfort and support. The Euro Top is ideal for side sleepers and is slightly more firm that a Pillow Top mattress, giving you more support while you sleep. Two inches of Ultra Soft Quilt Foam and 2 inches of Super Soft Comfort Foam create a plush sleeping surface. Box spring not included. The Cortez King Euro Top Mattress by Corsicana