The naturelle 1400 mattress incorporates 1400 individual pocket springs made from 30 quality recycled steel pocket springs react individually to a persons weight and therefore support all parts of the body correctly this also means two people sharing a bed will be supported individually it also helps to prevent roll togetherthe naturelle 1400 mattress has natural fillings of english wool included on both sides and the whole is covered in a premium quality belgian damask cover the mattress is han