PEPPERLONELY Brand 12PC Mixed Style Acrylic Pearl Rhinestone Flat Back Alloy Metal Embellishments & Sew On Buttons 13/16 ~ 1-3/16 Inch Quantity: 12PC/Pack Size: 13/16 ~ 1-3/16 Inch (20mm - 30mm) Mixed Styles, Random Mixed. Most Styles Are Flat Back Embellishments, Few Are Sew On With Shank Made with zinc alloy metal, eco-friendly and nickel free.