Stay supported as you sleep with the active shire ametist 2000 pocket memory mattress with 2000 individually pocketed springs and a layer of sumptuous memory foam this mattress offers the ultimate in comfort and luxuryplease note spring count refers to a 5ft kingsize modeldimensionsbull small single w 75cm x l 191cm bull single w 90cm x l 191cm bull small double w 120cm x l 191cm bull double w 135cm x l 191cm bull kingsize w 160cm x l 198cm bull superking w 180cm x l 198cm