The ouroboros is an ancient symbol, used across many cultures as a symbol of cosmic harmony, eternity, and the cycle of birth and death. It's one of the oldest mystical symbols in the world.The Ouroboros Snake Ear Weights are able to fit stretched ears starting at least 4 mm | 6 g and above. These are very detailed hoops that feature a comfortable clicker closure. They are available in two sizes, as well as in gold. SMALL Thickness: 4 mm | 6 g Closure: Clicker Outer diameter: Ø 40 mm Inner diameter: Ø 30 mm Material: White brass Weight per piece: ~ 13.5 g, lightweight MEDIUM Thickness: 6 mm | 2 g Closure: Clicker Outer diameter: Ø 50 mm Inner diameter: Ø 40 mm Material: White brass Weight per piece: ~ 25 g, medium weight The model is wearing a medium size.