The Stampers Anonymous CMS-173 Tim Holtz Cling Stamps are a set of high-quality, cling-style stamps featuring a laboratory theme. Measuring 7" in height and 8.5" in length, these stamps are designed for crafting and stamping projects. Manufactured by Stampers Anonymous, these stamps are lightweight at 0.3875 ounces and offer a fun and creative way to enhance your paper crafts and scrapbooking projects.