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Creative PVC Design:This winter-use water bottle features a creative PVC design, making it not only functional but also aesthetically pleasing. Large Capacity:With its large capacity, this thermal water bottle ensures you stay hydrated and warm during the cold months. Portable Flannel Cover:The product comes with a portable flannel cover, enhancing its portability and providing an extra layer of warmth. Thickened Thermal Insulation:The thickened thermal insulation design of this water bottle ensures your beverage stays hot or cold for longer periods. Ideal for Students:Its cute and stylish design makes it an ideal choice for students, encouraging them to stay hydrated while studying. Durable Material:Made from durable material, this thermal water bottle is designed to withstand daily use while maintaining its functionality.