From Retro-A-Go-Go. Introducing the all-new General Mills Monster Cereal Characters in vintage-inspired nifty novelties by Retro-A-Go-Go! Each highly detailed, durable metal pin features vibrant colored enamel. Measures approximately 1.25" high and 1" wide with an easy open, easy close, metal secure back fastener. Fun matching Monster Cereal Collector's Edition Box and measures just over 2.5" high and 1.75" wide. Sold in an assortment, featuring pins of Count Chokula, Franken Berry, Boo Berry, Fruit Brute, and Yummy Mummy.