The product is a 1989 Topps Teenage Mutant Ninja Turtles stickers featuring the character Leonardo. These stickers are part of the original franchise and are designed as non-sport trading cards. The stickers are a collectible item that are sought after by fans of the Teenage Mutant Ninja Turtles series. Leonardo is one of the four main turtles in the series, making this sticker a desirable piece for collectors.