PET Material: Our sealed cold water bottle is made of high-quality and safe PET material, which is temperature-resistant to -20C and is not afraid of falling. If it is afraid of bursting due to temperature difference, it can be directly poured into boiling water. Large Capacity: The large diameter lid can be easily opened without rotating, which is convenient for adding fruits, water and ice cubes, and it can be thoroughly cleaned without dead corners. The large capacity can hold 4.5 liters of liquid, which is enough to meet the needs of the day and meet the water consumption of the day. Sealed Design: There is a sealed silicone ring on the lid to lock the smell and keep it fresh, and there is no odor when placed in the refrigerator. Pressing the faucet is faster, and the faucet has a rubber ring, which is anti-blocking and sealed without dripping, and there is no need to worry about long-term use. Wide Use Lemonade, fruit tea, iced tea, mixed drinks, etc. can be added to enhance the overall drinking experience, which is very suitable for indoor and outdoor parties, barbecue activities, etc. Filter and Water Filling Port: This beverage dispenser is equipped with a filter and a water filling port that can be opened on the lid, which is practical and convenient. The kettle in the refrigerator can drink cool water at any time, hot summer/home health care/office rest.