Ideal for the smallest of budgets the jazz coil sprung mattress provides total comfort and is available in a range of colours and sizes perfect for adding a little jazz to a childs room features135 gauge spring unitopen coil spring systemmade in the united kingdom1 year manufacturer guaranteerotate 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