These cardstock reusable shape stencils are a great tool to take your projects to the next level. Perfect for homes, classrooms, and craft rooms, they are ideal for using on posters, signs and crafts. The sheets measure 9 by 12 inches and are 10 mm thick. Westcott, the leader in cutting technology, is dedicated to supporting education and inspiring creative activities at home and in the classroom or office. Designed to help you bring your ideas to life, our fun and functional tools feature superior quality and offer exceptional value.