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 silver, rose gold, and gold tones, they make a thoughtful gift or a polished personal essential. Material: High-Quality Solid 925 Sterling Silver (Nickel-Free and Lead-Free) Earrings are sold as a pair of 2 earrings of the same color and size. Stones: Cubic Zirconia Colors: Silver, 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 2 to 5 business days. We will ship as soon as your item is ready! Care Instructions: Sterling silver can be worn in the shower and will not rust. Silver will oxidize naturally, use a gentle silver cleanser or a silver polishing cloth to clean and re-shine as needed. Store your jewelry pieces in an airtight container or a ziplock bag whenever not in use to keep them from oxidizing quickly. You+Sterling Silver = Forever. The oils in your skin help keep silver from oxidizing fast. So, wear often.