Size is approx:19.0 by 10 by 3.1cmAdditional product info:Equipped with soundproof cushions, this case is designed to make it difficult for the ‘clacking’ sound to be heard.Dishwasher and dryer safe.Quality Indication:Lid: AS Resin / Heat Resistant Temperature 100C Main Body: ABS Resin / Heat Resistant Temperature 100C Chopsticks: Methacrylic Resin / Heat Resistant Temperature 100C Cushion: Silicone Rubber / Heat Resistant Temperature 140C Type of Antibacterial Agent Used: Inorganic Antibacterial Agent Processing Method: Kneading Processed Part: Entire Product Note: This does not suppress the growth of all bacteria.