BodyJ4You 100 Mix Pack 50Pc 14G Belly Button Rings and 50Pc 14G Tongue Ring Barbells Kit VALUE PACK: 50 Pieces Set of Surgical Stainless Steel Straight Barbells and 50 Pieces Set of Belly Rings with Two Matching Acrylic Balls. All Designs are Unique, No Duplicates. MEASUREMENTS: Gauge Thickness Size: 14G (1.6mm). Length: 5/8" (16mm). Ball Size: 6 mm. Perfect Fit for Tongue, Nipple and Belly Piercing.