Shop Serene Magnetic Underlay & Serene Magnetic Underlay Reversible DOUBLE for ALL year round use. One side, 100% cotton, the reverse side 100% pure natural wool. Cool in summer warm in winter – it's like getting two underlays for the price of one. MAGNETIC THERAPY MAY HELP YOU WITH THE FOLLOWING Arthritis (osteo and rheumatoid), various auto-immune disorders, Back, neck, hip, shoulder.
