Preciosa MAXIMA flat back rhinestones bulk are made in Czech Republic. MAXIMA Crystals by Preciosa is Preciosa's premium line of rhinestones. Preciosa is a world-leading producer of cut crystal, specializing mainly in the production of machine-cut chatons, beads, and other fashion jewelry stones of top quality and in a broad variety of shapes, colors and sizes. These rhinestones are made of high-quality crystal glass. Each rhinestone is glittering and crystal, has high-precision section size, multi-faced cutting, and high brightness. They are made delicate and precise and the measurement of each glass rhinestones is perfectly uniform which can enchant your work with luxury and elegance. Details:Available in multiple colorsSS20 (4.8 mm)144 piecesHigh-quality crystal glassMade in Czech Republic