The Youzhi Gradient Business Insulated Cup is a thermos that combines a stylish appearance with practical functionality. The following details will cover its appearance, performance, and materials:

1. Gradient Color Appearance: It features a variety of fashionable gradient colors, such as Goose Crown Red-Blue, Bluestone Black-White, Autumn Fragrance Orange-Red, and Cloud Water Blue-Blue. The colors transition naturally, not only enhancing the cup's aesthetics but also catering to the personalized aesthetic preferences of different users.

2. Simple Straight-Body Design: The cup adopts a straight-body design with clean and smooth lines.

3. User-Friendly Push-Open Lid: Equipped with a one-touch push-open function, it allows for easy one-handed operation, making it convenient to drink water while driving, exercising, or during busy moments. The push-open lid typically offers excellent sealing, effectively preventing leaks when closed.

4. Inner Liner Material: Made from 316 stainless steel, it provides superior corrosion resistance, high-temperature resistance, and low-temperature tolerance. This material better withstands chemical erosion, making it suitable for use in harsher environments and ensuring drinking water safety.

5. Outer Shell Material: Constructed from 304 stainless steel, it offers good corrosion and heat resistance, is sturdy and durable, and resists deformation or breakage. It also provides additional protection for the inner liner.

6. Insulation Performance: The heat retention duration ranges between 6 to 12 hours, though the exact time may vary depending on environmental temperature and usage conditions. It meets the needs of business professionals who require warm water readily available during daily work and travel.

7. Car Use: It can be placed in a car cup holder, allowing easy access to hot or cold beverages while driving, adding comfort to journeys.