High quality materialThe super strong neodymium magnet (3500 Gauss) continuously stimulatesmicrocirculation system.316L SteelIt is made of stainless steel (316L) & PVD coating, fashionable, and durable. High quality so you don't need to worry about skin irritation!Easy to adjustLength: 8.7inches, width: 0.47 inches, it includes a free size tool that allows you to delete/add links. You can use the adjustable tool to adjust the size according to the manual and video. If you need, please contact us. We will try our best to help you.Perfect Gift: Each magnetic bracelet comes with a luxurious box, Fashion Magnet Bracelet perfect for mom, wife, grandma, family, friends during Birthday, Anniversary etc.Welmag trustruly brand: WelMag brand always praises for excellence, established for over than 30 years in the magnetic bracelet, is constantly looking after the interest of its customers. We offer 60 days MONEY BACK or Exchange GUARANTEE.