Reverse 4 Opal Stone Drop Belly Ring Pierced Navel with Clear, Blue or Green Opal 1pc Reverse 4 Opal Stone Vertical Drop Belly Ring Fast shipping - Select your gem color from the above menu Material: 316L Surgical Steel and Brass with Synthetic Opal Gem Measurements - Gauge: 14GA (1.6mm) Size: 3/8 (10mm) Everything we sell is brand new and never worn!