200 Pieces of Assorted Colors (Colors may vary based on the availability) Octagon Acrylic (Plastic) Flat Back Rhinestones are 6x8mm or 10x8mm or 25/64" x 5/16" diameter. They are lead free (safe for skin!) and often used as body gems and cosplays! 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