Summer-Ray 4mm Assorted Color Square Rhinestones In Storage Box 3000pcs of 4mm square acrylic rhinestones. 15 different colors. Come in a plastic storage box. Approximately 200pcs rhinestones for each color. These rhinestones are not hot fix rhinestones. A suitable glue is needed to stick these rhinestones to a surface. These rhinestones does not work with rhinestone setting/applicator tool as these are NOT hot fix rhinestones.