This set of 10 thin metal dies is from Hero Arts and is called the Hero Lifestyle Mermaid. This set of intricate dies is designed to create dimension on paper. This set includes the body parts you need for mermaids along with different hair styles, crowns, and scene building dies. These dies are compatible with leading die cutting machines (sold separately). The mermaid tale measures 1.75" x 2.2" and the shell measures 0.45" x 0.41". This die set is going to help you create so many beautiful mermaid scenes for cards, scrapbook pages, tags, journals, and other paper crafting projects.