The Stanley 40oz Stainless Steel H2.0 Flowstate QuencherTumbler is a high-quality vacuum flask designed for adults. Made of durable stainless steel, this tumbler features a solid black color and a sleek design. With its 40oz capacity and insulated construction, it is perfect for keeping beverages at the desired temperature while on the go. This tumbler is a great value for anyone looking for a reliable and stylish drinkware option.