These 14 gram blank slugs are perfect for customizing your own poker chip set. They are a clay composite that is heavy weight and has the feel of real casino chips. They are 39mm in diameter, with a blank inlay that measures 31mm. This blank inlay is the ideal place to insert you own custom design. COLORS AVAILABLE: GRAY, RED, BLUE, GREEN, BLACK, ORANGE, PURPLE, YELLOW, LIGHT BLUE & PINK. NOTE: You may mix and match these colors as long as they add up to 25 chips.