This 6-inch thick mattress is designed with comfort in mind to assure that it provides you with a perfectly sound sleep, night after night, year after year. This 6 inch innerspring coil mattress contains 312 sturdy 13.5 gauge tempered steel coils, on top of which rests cushioning layers for dream-worthy comfort; two 100-percent polyester insulation pads, and two foam layers are found above and beneath the coils to protect them, but also to provide the necessary resilience so that you never feel the coils, even after years of use. For your convenience and even more cost savings, this mattress is shipped compressed, rolled and vacuum sealed. We care about your comfort, but we also care about the environment. This mattress contains certified foam, whose manufacturing process prevents volatile organic compounds (VOC?s) from being released into the atmosphere. For your safety, this mattress meets federal flammability standard 16 CFR 1633.