6 soft & absorbent prefold diapers in each pack. Made of 55% bamboo and 45% unbleached cotton, woven with a lint-free gauze weave for durability and softness. Fit perfectly inside of diaper covers without folding it over length-wise. Buttons prefolds are 4x8x4, which means there are 4 layers on each side panel and 8 layers in the center panel, making them highly absorbent. These prefolds are Diaper Service Quality.  Prefold Sizes: Cotton Prefolds will shrink about 10% & Bamboo Prefolds about 35% from sizes shown below when washed.Size 1: 7-12 lbs, 12"x13.5"Size 2: 12-25lbs, 14"x15"Size 3: 25-40 lbs, 15.5"x18"Prep: Wash and dry prefolds 2 times before using. This will remove the natural cotton oils and help the diapers reach full absorbency.