This is a brand new set of non-sport trading cards featuring the Teenage Mutant Ninja Turtles franchise. The set is called "3D" and was manufactured by Fleer in 2003. The cards are made of paperboard and feature characters such as Leonardo, Shredder, and Donatello. The cards are standard-sized and part of the base set. They are suitable for ages 4 and up and are perfect for collectors of superhero genre memorabilia.