Easy to adjust: Length 57.5mm, Width 8mm. Open size bent with round edge, adjustable bangle can fits most adult's finger. Magnetic Copper Ring: powered Magnets, Help with Reduce fatigue & muscle tension. Improve blood circulation, energy, balance, and sleep. Natural healing aches for carpal tunnel, arm, wrist and other sports joints. 99.9% Pure Copper Ring: Handcrafted with high quality solid copper, let you enjoy max health from solid copper. Non LEAD&NICKEL, 100% HYPOALLERGENIC. Scratches Resistant Ideal Gifts: Unique Tri Tone Braided Magnetic Copper Bracelets perfect for women, grandpa, mom, wife, friends during Anniversary, Birthday etc. Wollet MAGNETIC JEWELRY Risk Free Purchase.