The 40oz Anti-Dust Stainless Vacuum Handle Mug with Whirling Straw Lid combines functionality and convenience in a sleek design. This mug features a unique whirling lid that securely stores the straw, keeping it clean and protected from dust. The lid design ensures that the straw is always within reach, while preventing contamination when not in use. Made from high-quality stainless steel, the mug offers excellent insulation to keep your beverages hot or cold for hours. The ergonomic handle makes it easy to carry, and the large 40oz capacity provides ample space for your drinks, making it perfect for long days on the go.