All in two diaper has outer shell of PUL lined with micro fleece. Contoured snap in soaker consisting of 3 layers of hemp/organic cotton fleece in the body of the soaker; 3 additional layers in the center and topped with cotton velour. That's 7 layers of absorption through the center. Please note there will be slight shrinkage of soaker after washing and drying. This will only improve it's fit into the shell. Fits babies from the 9-30 pounds. Made in the USA.