These 650 Pro Clay casino chips are 39-mm diameter casino sized chips and are 13 grams in weight. They have a soft feel, and will wear with use, just like real casino chips. Each chip is crafted of solid clay with an inconspicuous metal insert to give the proper weight. Features include: 39 mm diameter 13 grams each chip Clay composition with inconspicuous insert Two-tone coloring Aluminum case with black felt lining, space for 650 chips, two decks of cards, and a Holdem dealer button