Pack of Beautiful, Double Jeweled Non Dangle Belly Button Rings, on each in the exact colors shown in photo. Available in 5 barbell lengths for custom fit belly rings. 14 gauge, 316L Surgical Stainless Steel curved barbell with one jeweled 5/16 inch (8mm) diameter bottom ball and one with one jeweled 3/16 inch (5mm) top ball, externally threaded. This non dangle belly ring is available in six barbell lengths for a custom fit: 5/16 inch (8mm), 3/8 inch (10mm), 7/16 inch (11mm), 1/2 inch (12mm) or 9/16 inch (14mm-long belly ring) lengths. Barbell length is measured in a straight line between the two end balls. Belly Barbell Length Sizing Info: 1/4 inch (6mm)-Short Barbell good for shallow piercings. 5/16 inch (8mm)-Barbell slightly longer than 1/4 inch but still on the shorter side 3/8 inch (10mm)-Average length barbell. Most people can wear this length unless your piercing is slightly deeper. This is the length sold in most stores, malls, etc. 7/16 inch (11mm)-Slightly longer barbell than 3/8 inch. This is a length most people can wear. Usually safe to order if you do not know what length you need. 1/2 inch (12mm)-This is the barbell length most piercers use for initial belly piercings. 9/16 inch (14mm)-This is a long barbell good for very deep piercings.