Features: 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.
Material: Ceramics (Inner), Stainless Steel (Outer)
Single/Double: Double wall. Keeps warm for up to 6 hours.
Lids: Stainless Steel lid, Tritan TM and silicon
Capacity: 330 ml
Package: Gift box