Non-toxic, non-leaching, BPA-free design</br>Keeps drinks cold for 24 hours; hot for 12 hours</br>Fits in standard cup holders</br>S'well is proud to support American Forests' restoration efforts and has aided in the effort of planting more than half a million trees since 2013.</br>Stainless steel</br></br>Product Description</br></br>S'Well's stylish double-walled water bottle is vacuum-sealed to keep drinks hot or cold for hours.</br><br/>http://www.amazon.com/gp/product/B018916BSG