Enhance your look with this stylish set of white & black swirl glass spirals. Sold in pairs, each spiral is made of glass that captures both color and pattern for a unique one of a kind look. Four "O" rings of the same size are included to ensure the perfect fit. Available sizes are 6G (4mm), 4G (5mm), 2G (6mm), 0G (8mm) and 00G (10mm).