Every ACERA tumbler is crafted with beautiful designs using an excellent engraving technique. The act of drinking water becomes not just a practical activity but one you can enjoy and from which you can derive simple aesthetic pleasure.
Tourmaline Anion - Patented Far infrared and negative ion Technology. The tourmaline lining of the tumbler heightens the flavor and freshness of any beverage. The tourmaline's charged negative ions add a pure taste while neutralizing harsh chlorine and other impurities.