John Bead's flat back rhinestones bulk is made of acrylic, with width application in a variety of art and crafts. These plastic rhinestone bulk are perfect for anyone who applies flat backs to clothing, costumes, paper arts, scrapbooking embellishments and home decor items. The round and circle-shaped flat rhinestones are suitable for beginners and professional-grade users for jewelry making, DIY crafts, fabric embellishments, and commercial displays. Rhinestones with AB coating are a material that has been given an iridescent coating that shimmers when the craft rhinestone catches the light. It provides your artwork with a unique and extraordinary appearance other than others! You won't have the burden of carrying much weight from the added gems to your creations. You can put them on your and your friends' faces just like diamonds for makeup at birthdays, Christmas, Halloween parties, or upcoming events and carnivals!Details> Available in multiple colors> Approximately 2000 pieces> Made of acrylic> Acrylic rhinestones measure 4mm (SS16)PLEASE NOTE: As we do try our very best to showcase the products as closely as possible, there may be (at times), some slight variations between the manufacturer's colour batches and sizes as well as your computer screen.