These unbelievable handcrafted plugs have a stunning blue-green pattern that shimmers. The single flare Pyrex glass plugs are sold in pairs and come with two “O” rings for your convenience. Due to the nature of the glass, each and every plug is unique, but we’ll be sure to provide you with a matching set. Get your unforgettable Garden Glass Plugs in any of the following sizes: 2 gauge (6mm), 0 gauge (8mm), 00 gauge (10mm), 1/2 inch (12mm), 9/16 inch (14mm), 5/8 inch (16mm), 3/4 inch (19mm), and 1 inch (25mm).