Each bracelet is 100% stainless steel, so it won't tarnish, stain or turn green. There is no need ever to remove it for bathing. The bracelets are fully adjustable to fit any size wrist to accommodate growing children. The stainless steel tags comes with a stainless steel adjustable chain. You may put any engraving on your item you want! Examples: child name, family member name, address, phone number and a optional line for, blood type, ALLERGY, special medicines, etc. Measure the wrist to obtain the correct size. ENGRAVING SECTION - TO SEPARATE LINES PUT A COMMA AFTER EACH LINE: 1- 5 lines, up to 20 characters per line. <------Back of Bracelet, face down on wrist.