This 48 piece clear photopolymer stamp set, Circle Date, is designed by Goldewoon Co. for Studio Calico. This stamp set features circles with various patterns on them, the numbers 0 through 9, the days of the week, the months of the years, and a variety of words and phrases. These stamps adhere to acrylic blocks and can be used with your favorite inks, markers, embossing powders, and other crafting mediums (sold separately). These stamps are great for journals and planners, but can also be used on different paper crafting and mixed media projects. The largest stamp measures 1.63" x 1.63" and the smallest stamp measures 0.12" x 0.18". These stamps are made in the USA.