The YETI Rambler 20 oz Tumbler is a durable and high-quality insulated beverage container designed to keep your drinks at the perfect temperature. Made from 18/8 stainless steel, it features double-wall vacuum insulation to ensure your drinks stay cold or hot for extended periods. The MagSlider Lid uses magnets to securely lock your drink, preventing spills. The tumbler is BPA-free, dishwasher safe, and has a No Sweat Design to keep your hands dry. The DuraCoat color won't fade, peel, or crack, providing additional grip to the exterior. It fits standard cup holders, making it ideal for on-the-go use.