The Dorado Head is a 100% Ultra-Premium Silicone removable attachment for the Rumble, perfect for any sensitive erogenous zone. Once attached to your Rumble, choose a vibration pattern to make the Dorado fin flicker and flutter back and forth. Your toy now has all the benefits of the Rumble. Head Width: 2.4″. Head Height: 1.5″. Fin Height: 2.4″. Fin Length: 1.5″. Weight: 1.5 oz.