... negative ions + anti-bateria+cotton+superfine fibre,mattress therapy mattress2.Superfine fibre has good air permeability,water adsporption ... and improve immuneystemfor sub health.Cautions:1.Magnetic Therapy is not tobe used during Pregnancy, metal implants ... for children.2.Indications on function Back Pain, Arthritis, Fibromyalgia, Rheumatoid Arthritis, Muscular Diseases, Disc aDisease, Sciatica, Poor ...