1) Don't impact violently or scratch with sharp instruments.
(2) Be sure to wash it using dishwashing detergent and wipe off the water when using it for the first time.
(3) Do not use it on open flame, and do not expose to open flame or heat. It may become deformed or discolored. In addition, be sure to use it below the allowable temperature limit.
(4) After using it with oil or fat, immediately wash it with dishwashing detergent. It may become discolored. Avoid using scouring powder or deodorizers..
(5) After use, wash thoroughly with a sponge, etc., using detergent and wipe it off before storage
(6) Use only for intended purpose.