Zbella 3,000 Piece Resin 14-Facet Flat Back Round Rhinestones, Many Sizes and Colors (4mm, Black) High Quality 14-Facet Resin Rhinestones Approximately 3,000 4mm ss16 Packaged by Weight Free Rhinestone Picker Wax Pencil These are non-hotfix and require glue for application Pictures are close up for detail. Please check size.