Kinder Cloth 6-Layer Bamboo Hemp Cotton Inserts are a great way to add a lot of absorbency without a lot of bulk. 6 Layers of Natural Fiber Textiles 2-Layers 30% Hemp / 70% Cotton 4-Layers Bamboo Terry (83% Bamboo, 17% Polyester) Green AWJ Edging helps to easily identify the insert material Green AWJ edging also helps prevent loose threads and "baconing" Thin profile. Less bulky. Great for day wear or boosting at night More rigid than our bamboo inserts and best for babies over 10lbs.  One snaps. Great for attaching to our 4-layer bamboo inserts as well as our pocket and cover shells.  1 soft woven hemp/cotton side, 1 super soft bamboo terry side.  Approx. Size (pre-washed): 15.25"x5.5"x0.125" Finished washed size is comparable to our 4-layer bamboo inserts  13"x5.5"x0.125" Wash multiple times to reach maximum absorbency. Wash with warm water. Dry on low heat. Inserts are made of natural fibers, shrinkage is normal and to be expected. Inserts are designed longer in order to account for shrinkage.