The Disguise Transformers Optimus Prime Convertible Costume in size 8/10 is a complete outfit featuring the iconic character from the Transformers franchise. Made from elastic and stretchy polyester material, this multi-color costume ensures a comfortable fit for boys. The outfit fully transforms into the character of Optimus Prime, making it perfect for fans looking to channel their inner Autobot. Ideal for special occasions or pretend play, this costume is sure to bring hours of fun and imagination.