NWT Machine Washable….Air Dry! Teflon treated outer fabric so that stains don’t stick and Agion treatment protects the inner lining by inhibiting the growth of odor-causing bacteria, mold and mildew Metal Hardware….don’t trust any of the cheap plastic stuff Smart Pockets….inside organization includes 3 mesh pockets and 2 zippered pockets, 2 exterior 3M Thinsulate bottle pockets, Mommy pocket, quick reach pocket for cell phone, and lots of wide open space inside the bag