Wash with dish detergent before first usage. / Do not use a scrub brush or polishing powder with this product . / Do not use over direct heat or IH cook top. / Do not use dishwashers, dish dryers or microwave ovens. / Product may become very hot when filled with hot water or hot drinks. Be careful not to burn yourself or directly touch. / Do not leave the product with salt attached. / Do not soak in water or dishwashing detergent. / Do not drop this product or hit it on other objects. / Do not insert sharp or pointed objects. / Do not insert heavy objects or overfill. / Do not leave the product wet. / Do not wrap product around fingers. / Do not pull it with force. / Use and keep out of reach of infants. / 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 p urposes. / Do not fill with lactobacillus drinks, fruit drinks, sports drinks or other acidic drinks. / Do not store filled with drinks for extended periods of time. / Do not fill with miso soup, other soup or other salty food.