Nalgene has taken on Mt. Everest. Now they're ready for toddlers! The Grip'n Gulp is tough enough to survive being thrown from a moving minivan, spill proof enough to compel parents to blame the rug stains on the dog, and odour proof enough to allow leftover milk to go undetected under the couch for months. Most importantly, it's a great way for little kids to reach new heights!