High Quality Pro Grade Bedazzler Rhinstones Small Size 30 (7mm) Bedazzler Rhinestones. Prong size: 3mm Sparkling bright acrylic & non rusting brass. Decorate sweaters; hats; dresses; slacks and more 10 Beautiful colors including special Tourquoise and Pearl Apply by hand, with bedazzler machine, or rhinestone press. For adult crafting, for professional / hobby use. Not intended for children under 14.