Stay-Dry Feel: Bamboo Charcoal is porous, wicking moisture from your baby's bottome to keep them dry.;5 Layers for great absorbency; 3 layers of microfiber sandwiched between 2 layers of charcoal bamboo;One Size Fit: These inserts should fit all One Size Diapers with a length of 13in. and a width of 5in.;Hypoallergenic and Anti-bacterial helps prevent rash.;Absorbent & Won't Bunch Up: Can hold 8oz+ liquid and won't bunch up inside of the diaper.