Bentley Mattress has a double pillow top for enhanced comfort. Mattress Contains 1.25lb of Convoluted foam & 5.75lb of medium plush foam to ultimately achieve the comfort level desired. The mattress has the benefit of independently-encased coils that reduce pressure points thus delivering correct alignment for back, neck, spine. Twin has coil count of 435, Full coil count 60, Queen coil count 744, King coil count 930. This a medium plush mattress .Box spring is a Wood foundation, 8" high Continental box Meets federal standards 1632 and 1633 fire code available in twin, full, queen, king. Experience the most luxurious sleep with this mattress which is uniquely designed to give you the perfect combination of unwavering comfort, orthopedic support and enhanced beauty.