EcoVessel Bigfoot Triple Insulated Stainless Steel Water Bottle with Tea, Fruit and Ice Infuser, Black Shadow, 45 Ounces YOU CAN BELIEVE IN THIS BIGFOOT - The perfect balance between size and function, this reusable thermos is ideal for all day outings, sporting events, on the job site or when you want time relaxing instead of refilling. The BIGFOOT Insulated Stainless Steel water bottle holds almost a quart and a half of your favorite drink to quench your big thirst, that's 45 ounces! TRIPLE INSULATION THAT NEVER SWEATS - Featuring our TriMax triple insulation technology, this bottle is vacuum insulated and tested to keep liquids cold for 36 hours and hot for up to 8 hours without the use of BPA, no phthalates, no liners NOW AVAILABLE WITH INTERCHANGEABLE TOPS - Its dual use leak proof top has a wide opening for easy filling and a small opening for easy drinking WIDE VARIETY OF FEATURES - In addition to the interchangeable flip spout lid, the Bigfoot also comes with a removable ice, tea, fruit strainer and sturdy carrying strap