Shop › Opal Circles Dangles Image 1 of 1 Opal Circles Dangles $22.00 Made with polymer clay. Earrings are glossed with resin. Hooks are hypoallergenic. Earrings are lightweight and waterproof. Add To Cart Added! Made with polymer clay. Earrings are glossed with resin. Hooks are hypoallergenic. Earrings are lightweight and waterproof.