TrionZ Active (Black) goes above the bar in producing negative ions to possible help improve your game or everyday feeling withp atented  Medical grade magnets  Set in a specific Alternating North-South Polarity Orientation to maximize magnetic field flow. Can be washed and will still maintain its minus-ion producing properties when wet. Great for Surfers, Golfers and anyone who sweats alot.

Any questions on the Black magnetic Bracelets please let us know .