The sareer kids memory foam matrah mattress developed by the nbf approved sareer team consists of a 125cm layer of reflex foam and a 25cm layer of memory foam the mattress features a centre zip removable memory fabric 2 way stretch cover and can be used on both sidesdimensionssmall single w 75xm x l 190cmsingle w 90cm x l 190cmsmall double w 120cm x l 190cmdouble w 135cm x l 190cmkingsize w 150cm x l 200cmsuperking w 180cm x l 200cmdepth 16cm