The Wise Water Bottle Powered By Seychelle will help you stay green, get great tasting water and save the environment! The reusable and lightweight 28-oz. water bottle has an advanced Ionic Adsorption Micro Filtration water filter that removes up to 99.99 percent of pollutants for up to 100 gal. of great tasting filtered water. It reduces almost all contaminants in the following groups: aesthetic contaminants (bad taste, odor, clarity, dirt, sediment and chlorine); chemicals (chlorine, toxic chemicals, detergents, pesticides and other harmful industrial and agricultural pollutants); dissolved solids (heavy metals like aluminum, asbestos, copper, lead, mercury, chromium hexavalent and more). It is made of BPA-free, low-density polyethylene and has a flip-top lid.