Let Your Child Play Out Their Rusty Rivets Dreams This Classic Botasaur costume is officially licensed and looks like it just stepped off the screen of a Rusty Rivets episode. It is made from 100% Polyester, and you get the jumpsuit with a detachable tail as well as a highly detailed mask covered in sublimated graphics. There’s also some foil printing on front bodice to really help bring the details to life. A Rusty Rivets Costume For Halloween & Playtime While this officially licensed Classic Botasaur costume was meant for trick or treating on Halloween night, it is certainly suitable for a lot more playtime. It’s great for dress-up days, play dates, and just playing make-believe around the house. It’s available in sizes Small 4-6, and Toddler 3T-4T.