These iridescent mermaid plugs a shimmering pair to add to your collection. Handcrafted with double flares, they are made from Pyrex Glass and come in sizes from 7/8" (22mm) up to 1" (25mm). The wearable area is 8-10mm with the full length, including front convex dome, measuring 13-16mm. With their flat back and convex front, they're perfect for any jewelry collection.