100 percent unbleached cotton twill weaved cloth diapers. Soft, durable and very absorbent. Diaper service quality meaning these are the same kind of thick and absorbent cloth diapers typically used by diaper services. Osocozy prefolds are a step up in quality and value from many store brands. 12 by 16 inches before washing they will shrink approximately 5-10% like most cotton products. This size fits babies from 7-15 pounds and is generally used with a diaper cover or plastic pant. These three paneled rectangular diapers are 4 layers on the sides and 8 layers thick in the middle. Osocozy prefolds are the highest quality and best selling cloth diapers sold on the internet. These diapers are also popular as burp cloths and are great home and auto cleaning and polishing rags. Note that our unbleached diapers must be washed and dried 2-3 times prior to use. The washing is required for unbleached fabric to achieve maximum absorbency by removing natural cotton oils from the fabric.