Enjoy a comfortable and supportive sleep with the moon supreme coil and memory mattress it contains a 135g supercoil spring unit and high density memory foam layer which contours to your body offering orthopaedic style support the mattress features firm edge support for superb durability and a cool touch quilted fabric cover which helps to remove damp air keeping the mattress cool and freshdimensionssingle w 90cm x l 190cmsmall double w 120cm x l 190cmdouble w 135cm x l 190cmking w 15