These organic hemp doublers from Sugar Peas are made from 3 layers of organic hemp fleece with a layer of microfleece on top. The microfleece is designed to wick away moisture so your baby feels dry. Bone-shaped, they help reduce bulk between baby's legs. These cloth diaper doublers are prewashed and measure 13.5 inches long. Just place the Sugar Peas Fleece Topped Organic Hemp Doubler in your baby's cloth diaper for added absorbency.