These baby blue plugs make a great neutral choice. They have smooth, convex sides and double flares. The plugs are 10 mm long and are sold in pairs even though each plug is unique due to the nature of the glass they’re made of. Don’t worry: we’ll do our best to send you a matching set! Get your Aqua Cat’s Eye Glass Plugs in any of the following sizes: 8 gauge (3.2mm), 6 gauge (4mm), 4 gauge (5mm), 2 gauge (6mm), 0 gauge (8mm), 00 gauge (10mm), 1/2 inch (12mm), 9/16 inch (14mm), 5/8 inch (16mm), 3/4 inch (20mm), and 1 inch (25mm).