Product Details Hypoallergenic jewelry for sensitive skin12 Piece Stainless Steel Assorted Color Double Gem Belly Ring Pack Have a look for every mood with this set of 14 gauge navel rings. They are made with 7/16 inch 316L surgical grade stainless steel curved barbell. Each one has a 5mm top ball end and an 8mm bottom ball end, both of which are set with gems. You get one each in Clear, Zircon Blue Color, Purple Tanzanite Color, Light Blue, Dark Blue, Red, Pink, Black, Aqua, Aurora, Light Green, and Green. Have a rainbow of looks with this colorful set of belly piercing jewelry. Sold as a set of twelve.Specifications14 Gauge(1.6mm) 7/16" (11mm), 316L Surgical Grade Stainless Steel Curved Barbell, 12 Pack Belly Rings