Used for added absorbency with flat, prefold, fitted or all-in-one diapers. These Organic Diaper Doublers are made with 4 layers of soft, absorbent, durable unbleached birdseye weave material with an inner layer of unbleached terry cloth. Contoured to fit easily with a wide variety of other products, they are 15 inches long and 6 inches across. The cotton for these doublers is grown and harvested according to SKAL International Standards for Sustainable Textile Production. The doublers are sewn in the USA by stay at home moms and grandmas.