The Bamboo Shell Portable Insulated Cup is an eco-friendly and stylish drinking container designed for those who appreciate natural aesthetics. This thermos features a natural bamboo exterior paired with high-quality stainless steel on the inside, effectively retaining beverage heat for 6 to 12 hours.Whether you're at the office, enjoying outdoor activities, or going about your daily life, this insulated cup provides a lasting drinking experience, ensuring that every sip is warm and comforting.