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 Lined with 3m Thinsulate to keep hot stuff hot, and cool stuff cool with a quick grab handle with swivel clip to hook on your bag, stroller, etc Lifetime limited warranty against manufactured defects when purchased from a Ju-Ju-Be authorized seller. Please review Ju-Ju-Be authorized seller list shown in product images before purchasing, Weight: 0.2 lbs., Manufacturer: Ju-Ju-Be