-. Binding : Health and Beauty -. Brand : Dr. Bakst Magnetics -. Feature : Reduces pain and discomfort in the knee area / 20 strategically and anatomically positioned, high-powered Neodymium and Ceramic unipolar magnets / 10,000 guass power for deep penetration / Exclusive slip on design made of high quality neoprene for added support and comfort / To determine size measure thigh 4" above knee. Small (14"-16"), Medium (16"-18"), Large (18"-21") -. IsAdultProduct : 0 -. Label : Magnatech Labs Inc. -. Manufacturer : Magnatech Labs Inc. -. ProductGroup : Health and Beauty -. ProductTypeName : HEALTH_PERSONAL_CARE -. Publisher : Magnatech Labs Inc. -. Studio : Magnatech Labs Inc. -. Title : Magnetic Slip On Knee Brace From Dr. Bakst Magnetics