1. Contains desiccant, which is not edible. Please discard it when enabled. 2. Add trace cold/hot water for pre-cooling/heat, which can make the insulation effect more ideal; 3. Please reserve 2-3cm in the opening of the bottle, please do not overfill, to avoid the overflow causing scalding; 4. Do not hold carbonated drinks;Not used for prolonged heat preservation of dairy products or baby food (with the risk of bacterial reproduction); 5. If the product is full of water other than clean water, please clean it immediately after use, so as to avoid the odour and influence the use; 6. When cleaning, it is recommended to use neutral cleaning agent and soft brush. Do not use chemical diluent, detergent, metal beam and chemical cloth, so as to avoid damaging and corroding the surface of the product and the inner wall. 7. Use water quality and foreign material in the process, which may lead to the red rust or scale of the bladder. Please add about 10% of the vinegar to the hot water and pour into the cup for about 30 minutes. Please use the soft brush for cleaning. 8. If it is idle for a long time, in order to prevent the odour or stains from being produced, please fully dry the bladder, the switch, the silicone seal ring, etc.; 9. Please do not place in the heat of the fire, and the cup body cannot be boiled in boiling water to avoid discoloration or deformation of the product. 10. No dishwashers should be used to clean and suggest hand washing; 11. Do not fall, crash, or strongly impact this product.