Using a simple variation on a theme, these sweaters can be knit as cardigans or pullovers with different necklines. Sizes include: 0-3 months (3-6 months, 6-12 months, 1-2 years, 3-4 years, 5-6 years). To Fit Chest: 16 (18, 20, 22, 24, 26)” Button Requirements: V-Neck Cardigan 4 (4, 4, 5, 5, 5); Round Neck Cardigan 5 (5, 5, 6, 6, 6, 6)