Preciosa® MC (machine cut) sew-on flat back stones are wholly machine cut, which ensures a precise cut and perfect sparkle of each stone. Bottom side of these original Preciosa sew-on stones is finished with a layer of simili that ensures impeccable shine and optimal optical properties of the Preciosa stones and does not contain any heavy metals or other harmful substances. The range contains basic and most popular sew-on stone shapes Preciosa MC sew-on chaton rose VIVA12 in one-hole as well as two-hole options, which are an alternative to the SWAROVSKI 3188 XIRIUS Lochrose and SWAROVSKI 3288 XIRIUS Sew-on Stone. Next, two-hole shape Preciosa MC sew-on Rivoli, which is an alternative to the SWAROVSKI 3200 Rivoli Sew-on Stone, and the one-hole shape Preciosa sew-on flower, which is an alternative to the SWAROVSKI 3700 Flower Sew-on Stone.