Nalgene - Thirsty for a fresh take on your favorite reusable bottle? The Nalgene On-the-Fly cap pops opens easily for convenient one-handed refreshment, and locks tight to prevent spills. The cap also
BEST BOTTLE EVER" - Nalgene OTF Water Bottle Review - YouTube
OTF Cap - Nalgene®
Nalgene OTF Drink Bottle | Joint Forces News
Nalgene Nalgene OTF On-The-Fly Water Bottle - 24 fl. oz. (710 ml) - Walmart.com