Made famous by cool kids all over the U.S. & beyond. Drinking water from this keeps you full of water (or anything else) and the landfills empty of trash. You can drop it, kick it, bang it and bump it but this icon continues to be leakproof. Also a great addition to your pack if you're headed to Moondance, Philmont, or another high adventure camp! Holds 32 oz. of liquid.