Features:brand new and high qualityfor Health function. Provide you with care, relieve fatigue and pain, improve blood circulation, and bring good sleep.All magnets will resonate with each other and enhance the biomagnetic effect.The special design and unique structure are also an excellent decorative bracelet suitable for daily wear.It is a great gift for family and friend.If you have any questions, please feel free to contact us. Package Includes:1x Bracelet Specifications:Color: BlackMaterial: Black GallstoneBracelet Girth: 14-24cm/5.51-9.44inBead: 5mm/0.2inQuantity:1pc note:Please allow a little error on the size due to manual measurement.The color might exist slightly difference due to different displays.