Have access to clean drinking water from anywhere with the Simple Modern Mesa Bottle. Crafted with double-walled insulated stainless steel, your water will stay ice cold for over 24 hours. The leakproof filter straw lid is also insulated, so every drop stays cool and in its place. The carbon filtered straw allows for you to have clean, filtered water at all times and lasts about 2 months or 40 gallons.The cupholder friendly base and finger hold on the lid makes this bottle adventure ready.