3-sided triangle represents swim - bike - run for triathletes. "Tri" is cut in 316L recycled stainless with a 2-tone engraved face and raised brushed edge. Hung on a 2-mm cord in recycled poly with an adjustable button toggle. polycord is lightweight, durable and dries quickly, so you never have to take it off. Pendant is 21.5 mm wide.