The Thermos Light and Compact Black stainless steel Flask is a three-piece insulated tumbler set that can keep beverages hot or cold for up to 12 hours. It has a twist lid and a sleek black design, making it suitable for teens, adults, and kids alike. Made of durable stainless steel, this flask set is easy to clean and perfect for on-the-go use. With a capacity of 16.9 FL OZ, this Thermos flask is a stylish and practical choice for both hot and cold beverages.