The reflex coil 1000 provides comfort and support by using a traditional spring system with a reflex foam boundary to prevent rolling off these traditional coil springs are used to give extra comfort this mattress comes complete with a zip off cover which is dry cleanable specification traditional coil spring system 17cm thickness dry cleanable cover zip off cover regular comfort only orthopedic mattress ecological sanitised fabric 5 year warranty anti dustmite features made to british standa