It's The Most Wonderful Time Skinny Tumbler. This durable 20 oz/590 ml Skinny Tumbler has double wall vacuum technology to keep drinks hot or cold for hours! This unique tumbler makes a great companion for your favourite drinks (coffee, tea, beer, soda, etc.) The skinny design fits comfortably in your hand and more importantly in your cup holders! Recommended cleaning: hand wash. 3" W x 8.25" H. Material: Premium 304 stainless steel. Features: Double Wall Vacuum Insulated, Slider Lid/.