Fill, Drink, Wash, Repeat. The classic To Go Cup becomes a reusable everyday cup. The Sierra Tumbler 24-ounce cold beverage tumbler comes in a classic, iced-coffee-cup design great for everyday use. Durable BPA-free construction makes it more eco-friendly and a stylish, textured non-slip grip makes for easy carrying. A reusable straw stays put and helps keep drinks perfectly mixed. Worry free for leaks, the lid has a quarter turn sealing mechanism. Hand washing is recommended for care. The tumbler is offered with a variety of fun colored grips, so choose several to create a mixed set.