The superior comfort spring mattress is an excellent value coil sprung mattress ideal for all bed frames it has a 135 gauge spring system and high quality foam fillings for lasting durabilityavailable in three sizes to suit your needs this mattress comes with a stretch knit top finish making the sleeping surface extra comfortable and breathabledimensionssingle w 90cm x l 190cmsmall double w 120cm x l 190cm double w 135cm x l 190cmmattress depth 16cm