Round 30mm or 1-3/16" High quality acrylic (plastic) rhinestones perfect for scrapbooking! Faceted with flat back and silver backing. Great for jewelry making and cosplay costumes, weapons embelishments and props. Faceted with a flat back and silver foil. GProfessional Grade, perfect for costumes and displays. These Acrylic jewels are great for displays, POP, merchandising, window displays, wall and theatre decoration, costume making, cosplays! Very popular as costume gems for cosplay. They are lead free (safe for skin!) and used as body gems! Add dimension and sparkle to your projects with these fine quality stones. Loose stones without settings or glue. Great for garments, jewelry making and crafts. Rhinestones NOT made in China. Suitable for party supplies, props, and theatrical performances. 100% Satisfaction Guaranteed! Lead Free. CPSIA and RoHS compliant. These are superior quality acrylic (Plexiglass) gems. Unlike the ones you'll find in most craft stores or hobby shops. Easy to use, fun to do. You can try a lot of different glues to bond acrylic stones but you cannot use any containing isocyanate (the instant adhesives), or acetone because the strong solvents damage the backing of the stone. A clear drying adhesive is recommended. Recommended glues for skin are: Acrylic Adhesive (Spirit Gum), Bindi or Eye Lash Glue.