These Earrings are Solid .925 Sterling Silver (not plated, not hollow) with Heart cut cubic zirconia. -Genuine .925 Sterling Silver, Stamped 925. -The Quality of these Highly Polished Stud Earrings is Excellent and Made to Last. -These are an Everyday Classic Timeless Earring Design. -Each Earring Pair comes with Butterfly Backings for Secure Fit. ....Shipping ...Item will be shipped within 1 business day after payment clears. Shipping Options: Free US Standard Shipping without The Tracking Number.