✔ 100% certified organic cotton in a twill weave. Our prefolds are extremely soft, absorbent, and durable.<br> ✔ The two outer sections are generally four layers thick, and the middle section is generally six layers thick. <br> ✔ Use two prefold diapers if your baby is a heavy wetter. <br> ✔ One size fits all: for babies weighing 8–36 pounds. <br> ✔ Approximately 14 x 20 inches (35.5 x 50.8 cm) prior to washing (normal shrinkage applies).