Experience dynamic cushioning and restful sleep with the ComforPedic gel memory foam mattress by Beautyrest. This 12-inch mattress features two layers of gel and comfort foam, along with a 6-inch base foam layer that minimizes motion transfer, conforms to your body's contours, provides targeted support, and relieves pressure on joints. You can choose your preferred support level from plush, medium, or firm. Sleep soundly knowing that this mattress is spot clean only. Features: Thickness: 12 inches Support level options: Plush, Medium, or Firm Product Features: Bed in a Box Delivery Method: Memory Foam - Small Parcel Mattress Type: Gel Memory Foam, Memory Foam 2-inch gel memory foam top layer 4-inch comfort foam layer 6-inch base foam layer Dimensions: Full: 12 inches high x 54 inches wide x 75 inches long Queen: 12 inches high x 60 inches wide x 80 inches long King: 12 inches high x 76 inches wide x 80 inches long Memory Foam Tips: Arrives tightly packed in a portable box for customer convenience. Remove from packaging within 72 hours to maximize expansion. You can sleep on it the same night it is unwrapped, however allow 48 hours to fully return to its original shape. Vacuum sealing sometimes traps odors. After unwrapping, air for a few hours to eliminate trapped odors. Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product. Mattress-in-a-Box Information: Arrives tightly packed in a convenient portable box or bag. Remove from packaging within 72 hours to maximize expansion. Can be used the same night it is unwrapped, however allow 48 hours to fully return to its original shape. After unwrapping, air for a few hours (vacuum sealing sometimes traps odors). Due to machine-cutting manufacturing processes, there may be slight variances in dimensions. Important Note: Once opened, this product is non-returnable. Click here to view the ComforPedic buying guide.