Description: Perfect for your holiday crafts, wedding, gift, sewing,clothes, jewelry, hair bows, belts, use your imagination. Sew-on rhinestones have small holes, either in the middle or along the outside edge, which make it possible to attach them by sewing. Flatback rhinestones can be easily adhered to surfaces by glue. Material: Plastic / Resin Diameter: 20 mm / 0.78 inch Package Includes: 100 pieces DIY flower beads Note: It is not children's toy, please use under adult supervision,in order to avoid children eating or hurting