This product can be broken under even a slight impact if the product is left in an ice-maker which becomes exceeding the degree of coldness and warmth-proof. / Keep it being taken out from an ice-maker after use.Wash with dish detergent before first usage.Keep away from fire and other sources of heat.Do not use a scrub brush or polishing powder with this product.Do not wash with dishwashers or dish dryers.Do not use in microwave.Do not use this product for purposes other than its intended purposes.