Health Function: improve sleeping quality/ increase enery powerPerimeter: 22cm (8.66inch)Width: 15mm (0.59inch )Weight: 58g (2.04oz)Material: TitaniumInlaid gemstone: Germenium+Neodymium magnetColor: As picturesThe size is Adjustable, you can use the adjuster to change the size of your own. We also highly recommond you go to the jewelry store nearby to change the size by professional stuff.The Benefits of Magnetic Therapy: Titanium Magnetic bracelets may help relieve pain in your hands and wrist areas, also may help reduce inflammation, stiffness and circulation to your outer limbs. If you have Carpal Tunnel, arthritis, and Ganglion cord in your hand and wrist area you should consider a magnetic bracelet.Imagine wearing a bracelet that never needs polishing, a bracelet that is virtually scratch proof. Titanium is the future. If you are looking for a bracelet that forever keep its shine, than our Titanium bracelets are for you. Our bracelets will not cause skin irritations or turn your hands green.