Approx. Size: .25" x .50" drop Closure: Post Back Stones: Lab Created Clear Rhinestones Material: Alloy (silver and copper and other metal alloy) with high quality plating for anti-tarnish. ***Shipping and handling time: I ship packages daily, with the exception of Holiday's via USPS PRIORITY mail with tracking from San Diego, California. FREE SHIPPING on Bundles of 4+ items. My home is smoke and pet free.**