These 39 mm diameter casino sized chips are 11.5 grams in weight. They are produced from a composite resin and an insert that gives them the weight feel of a heavy casino quality chip. The detail on these chips is great. The chip is designed to take 1 1/4" labels, the only one of it's kind on the home market. This sleek design is great for casinos and homestyle play alike. Please contact us for more info about custom labels.