Set includes sizes 4 (3.5mm), 5 (3.75mm), 6 (4mm), 7 (4.5mm), 8 (5mm), 9 (5.5mm), 10 (6mm), 10½ (6.5mm), 11 (8mm), 13 (9mm), 15 (10mm), and 17 (12mm), and 20 stitch markers in a premium needle case with denim and beige finish.