Stackable and insulated for compact storage and hot brews. This mug is loaded with top-to-bottom insulation to keep your coffee hot from the first pour to the last sip. And its a space saver. When the lid is removed, the built-in grooves on the bottom help it nest perfectly with another just like it. Like the entire Rambler Drinkware Family, this stackable mug and included MagSlider Lid are dishwasher safe making them easy to clean. Made with kitchen-grade 18/8 stainless steel, so theyre puncture- and rust-resistant. Double-wall vacuum insulation keeps cold drinks cold and hot drinks hot until the last sip.360-degree welded handle for firm grip on your beverage that wont break if it hits the rocks. Dishwasher safe, 10-ounce capacity, 4.5" tall.