The Penguin Stainless Steel Vacuum insulated tumblers Travel Water Bottle by Tomlff is a stylish and functional water bottle perfect for teens, boys, adults, girls, and kids. With a capacity of 280 ml, this black water bottle can keep your beverages hot or cold for longer periods. Made of stainless steel, it features insulation properties and a cute penguin theme, making it a fun and practical choice for on-the-go hydration.