SPECIFICATION Material: food-grade 304 stainless steel material (inside) + 201 stainless steel material (outside) + food-grade PP + food-grade silicone Size: 8.86 (H) x 2.55 (D) in / 19.7 (H) x 6.5 (D) cm Capacity: 350ml (11.8oz) Package includes: 1*children's water bottle + 1*integrated straw lid + 1*straw brush KEEP WARM TIME Keep warm time: 8 hours (back to room temperature) Keep cool length: 10 hours (back to room temperature) USAGE * Minors, please use under the guidance of adults or after reporting. * Please wash the inside and outside of the cup with neutral detergent in warm water before use. * In order to achieve the best heat preservation and cold keeping effect of the cup, it is recommended to add hot or ice water for preheating or precooling. It is better to add ice cubes when keeping cold. TIPS 1. Do not overfill the cup when adding boiling water to prevent overflowing and scalding. 2. Avoid deformation of the cup caused by dropping, collision or strong impact, which may affect the efficacy of the product. 3. Avoid direct heating or placed in high temperature. 4. Do not add dry ice, carbonated beverages and other liquids that are prone to high pressure; do not add soy sauce, soup and other liquids containing alkaline and acidic ingredients to avoid corrosion of the cup. 5. When cleaning, please use neutral detergent to clean with warm water. 6. After filling with milk and other perishable beverages, please drink and wash as soon as possible to avoid spoilage and decay of the inner liner. 7. Do not use it for purposes other than keeping it cold or hot. SERVICE *We provide 100% after-sales service guarantee, please feel free to contact us if you have any product-related questions. *We are very welcome your comments and suggestions.