These natural wood chopsticks are made from olive wood from Italy and have a smooth beeswax finish. After use, wash with water and a soft cloth. Because of the natural wood finish we do not recommend placing it in direct heat or very hot water. The chopsticks have a base of Olive (Olea europaea), harvested in Italy. They have a natural beeswax protective finish. These chopsticks are 9 inches long. Made in Japan.