Makin Mattresses Removable Pillow-Top is designed to sit on top of an existing mattress for an extra level of comfort. It can be flipped, rotated and aired out. The standard pillow top consists of a 50mm soft foam comfort layer whilst the Premium pillow top contains a superior foam layer providing more support. *NB: the Bellissimo micro-coil pillow top is not sold separately from the support unit.