From his eyes, square pants, and goofy but lovable smile, This goth skull and Cartoon Sponge necklace symbolize a struggle between the beautiful and the ugly, one of the most iconic cartoon characters, to street-wear jewelr The Sponge Skull Jewelry Pendant: 21.3 *14.4 inches, 34.1g. Necklace Chain: 26 inches cable chain,14.4g. This Sponge Skull Jewelry Necklace is made of 925 Silver/Gold-plated brass, using oxidation technology to make it look more retro. Show off your Sponge fandom with this Gothic Square Skull bob Jewelry! This Gothic Jewelry Necklace bring one of the most iconic cartoon characters to street-wear jewelry. The Square Skull bob Jewelry. Ideal for wife, daughter, sister, or girlfriend as a Birthday Gift, Mother's Day Gift, Anniversary Gift, Valentine's Day Gift, Wedding Gift, Graduation Gift, Christmas Gift, or Thanksgiving Day Gift.