They highly advise hand-washing your NEIWAI items to protect and extend their wear life. In cold water (86°F/30°C maximum), use a light detergent and completely soak the underwear. Rinse it after gently pressing/kneading it (soak no longer than 5 minutes). Hanging or lying your NEIWAI bra to dry in a cool and shady location. Please use a laundry bag if you prefer to use a dishwasher.