This assortment is made up of jet black balloon and plain, bright white balloons. Made out of smooth and durable latex rubber, each one of these balloons measures 12 inches in diameter. These balloons are sold of 3 packs of 12 for a total of 26 balloons in each single order. This black and white mix of balloons is perfect for decorating for prom, receptions, over the hill birthdays, and more.Details:Black and white12" diameter3 packs of 12 (12 balloons per pack, 36 balloons total)Made with latex rubber