Igloo Legend 1/2 Gallon Insulated Beverage Cooler Jug with Flip Spout

Insulation is good enough to keep cold liquids cold all day in a hot garage (85° - 95°F). In the morning I fill it about 1/4 full of ice, then top it off with refrigerated water. By the 4-hour mark the water is so cold it gives me a headache if I chug it down. I got the black one. No sun shines on it in the garage, so can't speak on whether or not the sun's heat would warm up its contents.

Judge me or follow my lead. I use this one for my personal beverages. I pack it with ice and fill with iced tea and it remains perfect until the last cup. It's also suitable for other beverages that do well when ice is added. You're welcome!