This set of thin metal dies is from Honey Bee Stamps and is part of the Let's Celebrate Collection. This set includes 20 dies. These dies are compatible with leading die cutting machines (sold separately). This die set, Inside Birthday Sentiments, has a coordinating stamp set (sold separately). These dies range in size from 2 1/8" to 3 1/8" wide and 1/4" to 7/8" tall.