Experience the ultimate in luxurious sleep with the Crystal 12-inch mattress. Designed to provide contoured support for your vertebrae, this mattress features tempered steel coils that conform to your body, relieving pressure points along your neck, shoulders, back, and hips. The independently-encased coils also eliminate motion disturbance, ensuring a restful night's sleep. Multi-HD and memory foam layers protect the coils, adding to the mattress's durability and comfort. Invest in your sleep quality with the Crystal 12-inch mattress - unparalleled quality and incredible comfort in one luxurious package.