The new Element, with the improved integrated SuperCap, features a patented flexible design that is lighter and easier to hold than rigid bottles. It also fold flat when emplty to go virtually anywhere. Available in two high-capacity sizes (.7L and 1L), the foldable and washable Element is 100 percent BPA free and made in the USA. The new widemouth SuperCap offers greater "gulp-ability" and a stronger, integrated attachment clip.