This cute spider cartilage is made with a 3mm synthetic white opalite. It was a wearable area of 1/4" (6mm) with a 2.5mm externally threaded ball. Made from 316L stainless steel. 16G. Spider design measures about 7mm x 6mm. It has a small white body. Overall design (opalite and spider) measures about 11mm x 6mm. Sold individually (1pc). For healed piercings.