If you're looking for an all time favorite water bottle, it doesn't get much better than the Nalgene Tritan Wide-Mouth Glow Bottle 32oz. Made of super cool, glow in the dark plastic, charge it with light and you won't have to search for your bottle in the dark. Versatile enough for everyday use, this wide-mouthed wonder is as easy to fill and clean as it is highly impact and odor resistant. Comes with a convenient loop-top cap design, meaning you'll never lose your lid. Guaranteed leak-proof and able to withstand extreme temperatures, you definitely need two.