The Mainstays 6" Coil Mattress, with CertiPUR-US certified foam, offers comfort and convenience with its ergonomic design. It has a bright white color that stands out and looks crisp and clean. It features 13.5-gauge tempered steel coils that provide maximum support for a sound sleep that can be relied upon. It meets federal flammability standard CFR 1633, providing quality and safety. The Mainstays mattress is made with a certified eco-friendly foam manufacturing process that prevents volatile organic compounds from being released into the atmosphere during the production process. This twin-size mattress is compressed, vacuum-sealed and boxed for easy shipping. Made to last for many years, let the Mainstays 6" Coil Mattress add comfort to your bedroom.