Very unique logo tongue barbell featuring the best logo designs in the industry. Each logo tongue barbell comes with an 8mm picture ball on one end and a 5mm threaded steel ball on the other. The logo ball holds the unique image inside a waterproof, completely safe clear acrylic bubble. The entire piece is crafted in 316L stainless steel. The standard logo tongue barbell comes with a 14 gauge 5/8" (16mm) barbell.