I handstamp an aluminum bar charm (1 and 1/4 inch long by 1/4 inch wide) and handstamp it with the Greek Letters Alpha Omicron Pi. The letters are handstamped so expect some slight variation as it is handmade, but that is what makes it charming. Also on the chain is a small glass pearl dangle for a nice extra accent! It comes with an approximately 18 inch stainless steel link chain. Both aluminum and stainless steel are non-tarnish, so it will stay looking great. A perfect big little gift! Officially licensed, we are the manufacturer and licensee. Handmade in the USA. We make this necklace for 27 licensed Greek groups.