Totally about 1000pcs/bag, there are 5 sizes (0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm), 2 colors(gold and silver), totally 10 designs, each design about 100pcs, so totally one bag of about 1000pcs, not exactly 1000pcs, because those are very small, we weighted the bag, maybe more or less;,need to use glue or gel to stick on nails. very good to decorate nails with other decorations. each size about 100pcs, each size it is in single stud,. sizes from 0.8, 1.0, 1.2, 1.5 and 2.0MM. Important thing: The stud is in single one, not in cluster, it is just a pic ; Tiny metal stud, gold and silver colors, different size, totally 1000pcs/bag.GTIN: 778957548011. Best Sellers Rank: See Top 100 in Beauty & Personal Care. : B07SD43YYY. Manufacturer: Beijing Xinpusuo Trade CO., LTD. UPC: 778957548011. Item model number: AM011. Package Dimensions: 3.9 x 2.75 x 0.2 inches; 1.59 Ounces.