The chips are made of high quality clay and iron with dice stripes on both sides. For each chip, it's about 11.5g, dia 40mm, 3 mm thick. Non-denominated for custom cash games and home poker nights. Large blank inlay space perfect for hot stamp and other customizations for increasing brand visibility. It's substantial and durable enough to stand up to repeat use. It's compact and portable,a great gift for party and family casino game night. Besides, it is OK to order less than the minimum quantity now, please do not hesitate to inquire.