Description: Sturdy and oxidation resistance, can be used for a long time. Real gold plated stainless steel, avoid getting any sensitivity or allergy issues when wearing the earring. The earrings posts with flat pad allows you to DIY your OWN STYLE earring finding with some rhinestone, resin beads, embellishments, rhinestone and crystals flatback via hot liquid glue. Good accessory for earring DIY design, and great replacements for your lost earring back and earring post. 50 pieces for your daily life need, come with butterfly style back stoppers. Specification: Material: Stainless Steel Diameter Approx.3mm/4mm/5mm Color: Gold Package Includes: 50 Pieces Gold Plated Blank Flat Pad Stud Earrings(5 Pack) Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the item's color may be slightly different from the pictures. Please understand.