The Ti-Double 450 Colored Mug is made of Japanese titanium utilizing a craftsmanship manufacturing process. Durable and ultralight, the Ti-Double 450 is ideal for daily use and camping sets. The mug’s double-wall insulation keeps beverages warm or cool. The bright green anodized version adds a pop of color to Snow Peak’s premium titanium qualities. Please note: double-wall titanium cannot be used for cooking or placed over a heat source. The Ti-Double 450 Colored Mug pairs nicely with the Titanium Spork or Insulation Lid.