Crystal Lane flat back rhinestones are made of high-quality crystal glass with excellent machine cutting technology. These flat back gem rhinestones look glittering and shiny even from far away. Flatback gemstones can add shine and charm to your DIY crafts, Art Projects, Fashion Design Projects, embellishments of makeup projects; It is a perfect round rhinestones for face and nails. As a decorative and nail rhinestones, there are a variety of colors and sizes you can choose. Combining the flat rhinestones together to make your handcrafts unique, attractive and eye catching! Easy to Use: Simply add the glue at the back of the flat back crystal rhinestones and stick it on your craft! Multi-Purpose: These crystals flatback rhinestones are ideal for crafts, nail art, face and body art, clothes, bags, shoes, scrapbooking, home décor, cellphone cases, wedding dress, glasses, greeting cards, jewelry, etc! Color: Purple Amethyst. Measurement of each flatback rhinestone: 4.7mm.