Round High Quality Large Acrylic (Plastic) Flat Back Rhinestones, 45mm size is 1-49/64", with flat top. Great for jewelry making and cosplay costumes. They are lead free (safe for skin!) and used as body gems! Good for creations at scrapbook and craft works, Perfect for card making, scrapbooks and body art. Professional grade for jewelry making, fabric embellishments, and commercial displays. Add your own glue. Used for cards and invitations, jewelry, face painting, costume making, cosplay embelishments For adult crafting, for professional / hobby use. Not intended for children under 14.