Diaper Sizes | Find the Size for Baby | Seventh Generation
If your baby is nearing the top of the weight range, it may be time to consider moving up a size. Newborn diapers: Up to 10 lbs; Size 1: 8 - 14 lbs; Size 2: 12 - 18 lbs; Size 3: 16 - 21 lbs; Size 4: 20 - 32 lbs; Size 5: 27 - 35 lbs; Size 6: Over 35 lbs; Try It on for Size