The YETI Rambler 30 oz Tumbler with MagSlider Lid in Navy Blue is a durable and stylish travel mug made of 18/8 stainless steel. This insulated tumbler can keep your beverages hot or cold for up to 24 hours, making it perfect for on-the-go use. The MagSlider Lid ensures a secure seal and easy opening, while the sleek solid color design adds a touch of elegance to your daily routine. Ideal for coffee, tea, or any other favorite drink, this Yeti tumbler is a must-have for those who appreciate quality and convenience. This is NWOT!