Belly Button Ring Road Sign Dangle 14G Road Sign DO NOT PASS Belly Button Ring Dangle 14G Road Sign Stainless Steel Stainless Steel Gauge: 14G (1.6mm) Size: 3/8" (10mm) Highest Quality, 316 L Surgical Stainless Steel. Have some fun with this street sign belly ring designed with a surgical steel barbell and an acrylic road sign dangle.