Filter your water and keep it cool at the same time! 30 oz. Cool Gear (R) straightwall pure bottle. Features a patented filter and freezer stick system, this bottle filters up to 150 gallons of water and reduces chlorine taste and other impurities. It's made of shatter, stain and odor-resistant durable Eastman Tritan (R) material. Measures 3 1/8" dia x 9 1/2" h x 4 1/4"w and reaches its 30 oz. capacity when filled to the rim. BPA free.