This is a beautiful bracelet with a stainless steel laser engraved charm with “Have a piece of pi” (with the Greek letter Pi) on it on a silvertone European bail. The charm measures approx. 3/4 inch across. This bracelet is made of a Stainless Steel rounded box chain to withstand regular wear without tarnishing or changing colors. This item contains small pieces and is not intended for children under the age of 14.