Check the cup before each use. In the case of the first signs of damage or wear - throw out. Keep the cup clean. Before the first and each subsequent use, wash all the dismantled parts of the cup in warm water with a mild cleaning agent, rinse thoroughly with warm water. Do not boil. After use, clean the cup and mouthpiece of the beverage remains, rinse and then thoroughly wash. The cup can be washed with a dishwasher. It is not recommended to wash the mouthpiece in the dishwasher, as the detergents / cleaning agents can cause damage to the product. Cup can be used in microwave ovens. If you heat a drink in the microwave, remember that the cup must be open. Be very careful. Always stir the heated drink to distribute the temperature evenly and check the temperature before serving. Hard water, fruit juices or teas can leave a residue or discoloration on the mouthpiece, which does not change its properties. Thick liquids (e.g. fruit slurries) may clog the valve. Warning! Always use the product under adult supervision. Continuous and prolonged suction of fluids can cause tooth decay. Always check the food temperature before feeding. Heating in a microwave oven can cause a high temperature locally. Never increase the holes in the mouthpiece, it may damage the mouthpiece and / or cause choking of the child. The product is not a toy. Keep all parts of the product out of the reach of the child