Lot 280 pcs Swarovski Flatback Rhinestone #2028 - ss30 - ss20 - ss16 - ss12 - ss10 Crystal Clear. Genuine Swarovski Crystal Flatback Rhinestones. Shape/Style: #2028 Xilion Rose ( round). Size: ss30~6mm, ss20 ~4.8mm, ss16~4mm, ss12~3.3mm, ss10 ~ 2.8mm Quantity: ss30: 20pcs, ss20~50pcs; ss16~50pcs; ss12~80pcs; ss10~ 80 pcs. Color: Crystal Clear.