Enjoy endless possibilities for restful sleep with this hybrid innerspring mattress. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High density foam provides the firmness you love. Gel memory foam provides restorative support for your lower back. Plus, this mattress arrives in a box for quick and easy setup. Simply bring it to your room, remove the plastic wrap, and unroll. Foundation/box spring available, sold separately. Chime - White - 12" Twin Mattress 37.99"W x 74.41"D x 12.0"H - 50.0 lb Chime - White - 12" Full Mattress 53.15"W x 74.41"D x 12.0"H - 67.0 lb Chime - White - 12" Queen Mattress 59.84"W x 79.53"D x 12.0"H - 82.0 lb Chime - White - 12" King Mattress 75.98"W x 79.53"D x 12.0"H - 101.0 lb Chime - White - 12" California King Mattress 72.05"W x 83.46"D x 12.0"H - 102.0 lb