A fantastic set of 7 simple thin, round stainless steel bangle bracelets that will never tarnish! Each mirror finish bracelet is 2mm wide (about the width of a nickel). Each mirror finish bracelet is 2mm wide (about the width of a nickel). To ensure a good fit, hold your hand out and tuck your thumb under your pointer finger then measure your bottom knuckle circumference. If 8 inches or under, order a medium or 8 inch. If 8 to 9 inches, order a large or 9 inch. These bracelets are so versatile. Wear them all together or separate and only wear a few at a time. Since they are made from stainless steel, they will NEVER tarnish and are not susceptible to scratches, dings or dents. Yes, you can bathe or swim with these beauties on. Stainless is also a great alternative for people that have skin reactions with other types of metals.