Summer-Ray SS16 4mm Assorted Color Hot Fix Rhinestones In Storage Box 7500pcs (52 gross) of ss16 4mm acrylic hot fix rhinestones. 15 different colors. Come in a plastic storage box with 15 compartments. Each compartment holds rhinestones of a color. The plastic storage box measures approximately 7 inches by 4 inches by 1 inch in size. Approximately 500pcs rhinestones for each color. These hot fix rhinestones are suitable to be used with a hot fix applicator too, as well as an iron or a heat press.