Terra Firma presents double split jump rings in 4 sizes and 4 colors. Made from iron metal alloys, you choose: * 4mm (50 rings)* 6mm (50 rings)* 8mm (25 rings)* 10mm (25 rings) (25mm = 1 Inch) Carefully packaged to quantity +10% in case of error/defect, so you get your full count of usable items! All items are shipped directly from my smoke-free, pet-free home. Please note: you have a choice in shipping. If you choose to pay shipping, there will be a tracking number. If you choose FREE SHIPPING, you will NOT receive a tracking number, and the item may take longer to arrive. Thank you for understanding. ***EBAY claims the U.S. Post Office will deliver these by a certain date. Ebay is NOT affiliated with the USPS and cannot predict when they will bring your mail. USPS says approximately 3-10 days. They DO mean approximately. Please wait at least 2 weeks, and contact us directly, before opening a Request. Thank you for your patience and understanding.