12 Inch Chime Elite 2.0 MattressesStretch out and let the cares of the day fade away with this plush twin mattress. It's crafted for modern comfort and convenience, with layers including refreshing green tea foam and response memory foam supporting and contouring to your body. Even cooler: The cover disperses heat to keep you at an optimal sleeping temperature. Comfort level: plush High density response memory foam Transition foam Green tea base foam Micro cool technology cover