The Stanley Legendary Classic Bottle is a durable and reliable vacuum flask made of stainless steel, able to keep drinks hot for 20 hours, cold for up to 24 hours, and iced up to 4 days. With it’s twist lid also used as a cup, this bottle is perfect for both hot and cold beverages, making it a versatile choice for outdoorsy activities or everyday use. The lifetime manufacturer warranty ensures long-lasting quality, and the hand wash only care instructions make it easy to maintain. Ideal for those who appreciate classic design and timeless functionality in their drinkware.