The product is a rare LEGO Minifigure Keychain featuring Mary Jane from the Spider-Man 2 LEGO subtheme, released in 2004. Made of plastic, this collectible item is a part of the LEGO Spider-Man theme and is perfect for fans of the superhero franchise. The keychain allows for easy transport of the Mary Jane minifigure, making it a convenient accessory for LEGO enthusiasts looking to expand their collection.