Orthopaedic Reflex Foam Spring Firm Mattress 4FT 4FT6 Double 5FT King
4FT6 Double (135×190cm). Available in all UK standard sizes PROFESSIONAL ORTHOPAEDIC SUPPORT. 4FT Small Double (120×190cm). 5FT King (150×200cm). MaterialsBonnell Springs + Reflex Foam. Construction: Open coil Bonnell springs with reflex foam.