Stay hydrated while you're out on an adventure with a Pelican bottle! Like all Pelican drinkware, these bottles are made of high-grade stainless steel and are double walled to provide maximum insulation. You can be sure to meet your hydration needs since these Pelican bottles are available in three sizes: 18oz, 32oz, and 64oz. And no matter what happens, all Pelican drinkware is backed up by a lifetime warranty!