This bracelet set is for three cuff bracelets: " big sis"， "mid sis"， "lil sis"; A tiny heart sign is stamped on the inside. It is a perfect gift to show you sisters are linked in more ways than one. Materials : The bracelets are made of 1100 pure aluminum ( food grade， hypoallergenic， non tarnish)， which has a much lower rate of skin reaction than sterling silver. Sizes : Each bracelet is made of 1/4"(6mm) wide aluminum band. After you place the order， please go to your transactions history， click "contact seller" to message me to indicate your bracelets size: Small : fit 4"-5" wrist. Medium : fit 5"-6" wrist. Large : fit 6"-7" wrist. If you don't message me， I will make and send medium size bracelets to you. Please be advised that I stamp every word letter by letter， so spacing and depth of letters may vary slightly and letters are not perfectly aligned.