AIWIBI skin friendly baby diapers' absorption layer has two structures : ultra thin absorption core and wood fluff pulp structure. AIWIBI diaper’s ultra thin absorption core structure is mainly composed of five layers: the first layer is tissue paper, the second layer is super absorption polymer , the third layer is fluffy cotton, and the fourth layer is super absorption polymer ,the fifth layer is tissue paper . AIWIBI diaper’s ultra thin absorption core structure is fully made of polymer which evenly sprinkled on the surface of the diaper and fixed with glue. It is not easy to breaking & clumping .The wood pulp diaper is made of wood pulp and polymer mixture together and it is wrapped by two layers of non-woven fabric. It has good diffusion performance .