Treat yourself to a great nightrsquos sleep with the sensation 1200 mattress available in a full range of sizes this mattress combines pocket springs with a layer of sumptuous memory foam for a sleep surface that is both supportive and responsiveplease note spring count refers to a 5ft kingsize modeldimensionsbull single w 90cm x l 190cm bull small double w 120cm x l 190cm bull double w 135cm x l 190cm bull kingsize w 150cm x l 200cm bull superking w 180cm x l 200cmbull m