Product Details 14k Yellow Gold Flatback Earring 20 gauge 4mm Ball Floral Reversible Solid 14k Gold 20g flat back earring for earlobes Super Comfy Flat Backs - Designed for all day wear without poking your neck or squeezing your earlobes Internally Threaded Flat Back - Provides a secure fit for all day wear including sleeping and naps; no need to take them out Flower Shape Back - A charming change from the standard disc shape providing an Easier Grip for insertion and removal Reversible Flat Back - This flat back earring can be worn both ways; reversed for twice the style.  Specifications 20 Gauge (.8mm), 1/4" (6.5mm) Length Post, Solid 14k Gold, Internally Threaded, Flower Flat Back, 4mm Ball End