An anti-microbial, micropore pillow at the bottom of the container is provided to help keep the wipes moist and fresh. (tinyfry.com)
Fortunately Kappler has an answer in development: a breathable material with micropores small enough to keep out dangerous molecules, but just large enough to let out water molecules, so that I can stay comfortable for hours while I'm wading through pools of glowing green goo. (discovermagazine.com)
Extra breathable: micropores enable vapor to travel from inside to outside of the diaper to help your baby stay dry (boots.com)