Seahorse cartilage / tragus piercing. This is for one earring. You can choose your quantity needed at checkout. 316L surgical steel post with a silver seahorse charm piercing for the cartilage, upper ear, lobes, tragus, conch or helix. The seahorse earring is 15mm tall by 8mm wide and 20 gauge with a butterfly backing. 20 gauge is the same as a regular earring, and available for the left ear or right ear.