Ensure your best night's sleep with this 27.9 cm (11 in.) mattress by Cicely Sleep. Fall into ultra-plush gel foam that delivers impressive support and ensures all-over comfort. The foam used in this comfortable mattress is CertiPUR US Certified for durability, performance and content, offering you the luxurious comfort dreams are made of. No matter what your ideal sleeping position is, the unique pocket coil design helps isolate your movements so you and your partner can both enjoy an undisturbed sleep that lasts all night. This mattress in a box comes rolled and vacuum-sealed for easy shipping, and is compatible with all bed bases and frames including box spring, traditional, platform, adjustable and floor.