The Kaiser Stamp, by Ateco, is used to mark dough before baking, so that it may rise properly.Once stamped, a Kaiser roll forms on top of dough when dough rises.Made of durable and long lasting high impact plastic.By Ateco.Since 1905, Ateco has supplied fine restaurants and bakeries with quality built, specialty baking tools.Ateco products are internationally renowned for their high quality.When you use Ateco products, you're not only enjoying quality craftsmanship, you're also enjoying quality design; the products are a result of over one hundred years and four generations of innovation and development.