With the Hybrid 1100 mattress, you have endless possibilities for restful sleep. 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. Convoluted comfort foam provides added air flow, keeping you cool and comfortable while alleviating aches and pains. This mattress arrives in a box for quick and easy setup. Simply remove the plastic wrap and unroll. Foundation/box spring available, sold separately. 1100 Series - Gray - Twin Mattress 37.0"W x 74.0"D x 11.0"H - 53.0 lb 1100 Series - Gray - Full Mattress 52.0"W x 74.0"D x 11.0"H - 70.0 lb 1100 Series - Gray - Queen Mattress 59.0"W x 79.0"D x 11.0"H - 85.0 lb 1100 Series - Gray - King Mattress 75.0"W x 79.0"D x 11.0"H - 105.0 lb 1100 Series - Gray - California King Mattress 71.0"W x 83.0"D x 11.0"H - 106.0 lb 1100 Series - Gray - Twin XL Mattress 37.0"W x 79.0"D x 11.0"H - 59.0 lb