Material: Whole body S pure silver surface electroplated with 14K gold/platinum (thick electroplating with long color retention time) anti allergic Size: 15cm+1.5cm+1.5cm adjustable chain Weight: Bracelet approximately 0.81g per piece Maintenance: Pure silver plated with 14K gold, of course, it will oxidize over time. After washing with toothpaste or detergent, it will become shiny, so you can buy it with peace of mind. Packaging: Independent PP bag, anti friction, anti oxidation, no box, box can be purchased separately if needed.