It's all rainbows and butterflies here, and this Spongebob Squarepants Keychain definitely shows that! The Spongebob Keychain is made of zinc alloy and finished with a black matte metal finish and brightly colored enamel filling. The Spongebob Accessory is 50mm X 39mm with a 25mm keyring. The Spongebob Accessory is a fun, unique Spongebob gift for fans to take with them everywhere!