Meissa Birthstone Screw Flat Back Earrings bring together comfort, color, and timeless style with vibrant birthstone-inspired stones in 13 beautiful shades, including classic black. Designed with secure screw flat backs and available in 3mm, 4mm, and 5mm sizes, these earrings are perfect for everyday wear, stacking, and multiple piercings. Finished in white gold, yellow gold, and rose gold, they make a thoughtful gift or a polished personal essential. Material: 18K Solid Gold Earrings are sold as a pair of 2 earrings of the same color and size. Stones: Cubic Zirconia Colors: White Gold, Yellow Gold, and Rose Gold Stone Sizes: 3mm, 4mm, and 5mm Flat Back Dimension: 3mm Earring length: 12.3mm, Post: 8mm, Gauge: 0.8mm, Flat Back: 5mm 4mm Earring length: 13.4mm, Post: 8mm, Gauge: 0.8mm, Flat Back: 5mm 5mm Earring length: 13.9mm, Post: 8mm, Gauge: 0.8mm, Flat Back: 5mm Ball Back Dimension: 3mm Earring length: 14.9mm, Post: 8mm, Gauge: 0.8mm, Ball Back: 4mm 4mm Earring length: 15.1mm, Post: 8mm, Gauge: 0.8mm, Ball Back: 4mm 5mm Earring length:1 5.6mm, Post: 8mm, Gauge: 0.8mm, Ball Back: 4mm Packaging: Complimentary Gift Box and Jewelry Pouch Processing Time: Each item is handmade with love as we receive orders. Our production time is 5 to 10 business days. We will ship as soon as your item is ready! Care Instructions: Solid gold is water-safe and tarnish-resistant—perfect for everyday wear. To maintain its shine, gently clean with mild soap and a soft cloth. Avoid harsh chemicals and store separately to prevent scratches.