Traverse the sewers of New York City’s underground with fully custom artwork of your favorite characters – including Leonardo, Michelangelo, Donatello, and Raphael – each depicted with vivid illustration, ready for action! It’s about time for some mutant mayhem. The cards have a shell of their own – striking green, red, and silver foil on premium black paper makes these a must-have for any TMNT superfan! Get ready for a pizza-fueled adventure. theory11 produces the world’s finest playing cards. The cards themselves are made in the USA – printed on FSC-certified paper derived from sustainable forests, vegetable-based inks, and starch-based laminates.