Discard plastic cups and glass pints for your outdoor adventures. Our vacuum-insulated Stanley Adventure Pint, crafted from 18/8 stainless steel, is robust and won't break, shatter, or rust. Stack them neatly in your camping kit or kitchen cabinet when not in use. This 16 oz insulated tumbler, available in Polar color, keeps beverages hot for 45 minutes and cold for up to 4 hours. Its double-wall vacuum insulation ensures your drink stays ice-cold for extended periods.