Slumber Solutions Active 12" Ebonite Memory Foam Mattress, Mattress-In-A-Box, Cal King

Features: 12-inch thick mattress Eliminates motion transfer and uncomfortable pressure points Can be used with any conventional box spring or platform foundation Never needs turning Fiberglass Free Spot clean only Dimensions: Twin: 38 inches wide x 75 inches long x 12 inches thick Twin XL: 38 inches wide x 80 inches long x 12 inches thick Full: 54 inches wide x 75 inches long x 12 inches thick Queen: 60 inches wide x 80 inches long x 12 inches thick King: 76 inches wide x 80 inches long x 12 inches thick California King: 72 inches wide x 84 inches long x 12 inches thick Memory Foam Tips: Conveniently arrives tightly packed in portable box. 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. Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product. Once opened this product is non-returnable.