The Bamboo Bottle Company Tumbler Thermos is a stylish and practical drinkware option, made with durable glass material and insulated to keep drinks hot or cold for longer periods. From the brand's name, we can infer that they specialize in using eco-friendly materials like bamboo, making this tumbler thermos a sustainable choice. With a sleek tan color and sleek design, this thermos is perfect for both hot and cold drinks, and its high-quality construction ensures durability and longevity. Made in China, this thermos is a versatile and practical addition to any kitchen or dining collection.