The high density reflex foam jazz flex 10 mattress has no springs to provide a silent and comfortable nights sleep featuresideal for the smallest of budgets vacuum packed and rolled for ease of transportationmade in the united kingdom 5 year manufacturer warranty rotate mattress to maintain maximum shape and comfortdimensions single w 90cm x l 190cmsmall double w 120cm x l 190cm double w 135cm x l 190cmkingsize w 150cm x l 200cm