The stanley one handed vaccum mug whether you39re enjoying a quiet morning at camp or facing a full day of work this solid 16oz camp mug will get you through the day flip lid and sturdy base keep coffee safely stored vacuum insulation keeps drinks hot for 25 hours stanley one handed vaccum mug features vacuum insulation keeps drinks hot 25 hours cold 45 hours or iced 20 hours 188 stainless steel wonrsquot rust naturally bpa free integrated d ring lets you clip to packs l