These instructions apply to the Kase Mate, Pouch 6/12-Pack, and Pouch 24 BackpackYou can simply clean your cooler by washing it with cold water and laundry soap by hand or in a washer machine on the gentlest cycle, and air dry in a bright, open space.Please make sure you avoid putting the cooler  in a dark/damp space to dry OR in a dryer as the machine and heat will cause damage.When your cooler is not in use, make sure it's stored in a light, dry environment to avoid mold, corrosion, and other damages that may occur.