Yarn: Purrino Sock 4ply Ply: 4 Sizes: 86(91, 97, 102, 107, 112, 117) cm Balls Required: 6(6, 7, 7, 8, 8, 9) Buttons: Natty Notions Buttons (26CH20): 5 Needle size: 2.75mm and 3.25mm