The Snowpeak Titanium Double Wall Cup 450 is a super lightweight, insulated cup that will hold 14 oz of your favorite hot beverage. This tough and rustproof cup features an insulating double wall construction that will keep your beverages warm to the last sip. Corrosion-resistant titanium is super lightweight and has superior strength compared to steel. Backpackers who count every ounce will barely notice it is there. This ultralight cup weighs in at only 4.2 oz.