350ml Titanium Coffee Mugs Non-toxic No Odor No Scale Ultralight 56g Folding Handle with lid. Great for camping, hiking, boating, biking, or anywhere you travel. Titanium is considered the safest material for cooking. Better than Aluminum, Copper, Stainless, Teflon, Cast Iron. If you want light, strong, safe, and a material that does not impart taste or odor into your food, Titanium is the material of choice! This much comes with a lid to speed up the heating process or keep you coffee or soup warm while you tend to other things.