Do not leave in water for a long period of time. / Sap of natural wood may ooze out when if left soaked, but there is no problem with use. / The tips of the chopsticks are thin. Be especially careful when children use them. / Chopsticks are made of natural wood and sometimes may have an odor. / There may be unevenness in color because of natural material. / The wood might become cracked due to wear and deterioration caused by use. / Immediately discontinue use if the product becomes deformed or damaged.Do not wash with dishwashers or dish dryers.Do not use a scrub brush or polishing powder with this product.Do not use this product for purposes other than its intended purposes.