The Caterpillar-hoop is inspired by the organic shape of the fantastic caterpillar. The materials are sterling silver 925, plated in 24k gold. The colours appear from enamel/cold enamel, which gives it a strong, robust and beautiful surface. The outer diameter of the hoops 20mm. The size of the birds wingspan varies slightly, but is approximately 23mm. You can wear the hoops with or without the pendants.