Summer-Ray 3mm to 10mm Fall Colors Flat Back Rhinestone Collection In Storage Box 2100pcs of mixture 3mm, 4mm, 5mm, 6mm, 7mm and 10mm acrylic flat back rhinestone. 5 to 6 different brown, yellow and orange colors in each 3mm, 4mm, 5mm, 6mm, 7mm and 10mm collection. Come in a plastic storage box. Approximately 700pcs in 3mm, 500pcs in 4mm, 300pcs in 5mm, 300pcs in 6mm, 200pcs in 7mm and 100pcs in 10mm. 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.