Material: Constructed from cool blue memory foam. Body-contouring: Contours to the shape of your body for optimal comfort, even pressure and aiding in reduced muscle stiffness. Mattress topper: Get a 2.5cm thick cool blue mattress topper Sizes: Single, small double, double, king or super-king. Temperature regulation: Helps to keep your bed cool on warmer nights. Hypoallergenic: With anti-microbial and anti-dust mite properties. Cool Blue Mattress Topper | Living Social