BXO1008 Features: * Proudly manufactured in the USA * Knee support * Material: Neoprene and coolmax lining * Contains 2 concentric circle magnets * Gives stability * Use for knee pain * Magnetic fields: 2 * Gauss: 500 Per magnet * Small / Medium fits knee size up to 14.5"" * Large / Extra Large fits knee size up to 16.75"" Options: * Available in Small / Medium or Large / Extra Large sizes Dimensions: * Small / Medium dimensions: 9.5"" H x 17"" W x 0.25"" D * Extra Large dimensions: 10"" H x 20"" W x 0.25"" D