Wash with dish detergent before first usage. / Do not use a scrub brush or polishing powder with this product. / This product is not fully airtight. / Do not leave on its side. / Do not fill with liquids. / Do not use in dishwasher, dish dryer, oven, microwave or freezer. / Do not leave filled for long periods of time. Deterioration, discoloration or coloration of the product may occur. / Do not let thinner, benzene, alcohol etc. remain on the product. / Immediately discontinue use if the product becomes deformed or damaged. / Keep away from fire and other sources of heat. / Do not use this product for purposes other than its intended purposes.