Campsite Essentials Double Wall Vacuum Insulated Stainless Steel Water Bottle, Wide Mouth, with BPA-Free Cap (Brushed Stainless, 64-Ounce)Half gallon hardly qualifies as a "bottle". The 64-ounce insulated jug is our largest hydration bottle, and is perfect for lengthy road trips, water fights, and super-thirsty friends (you know who you are...)All ..