The CORTIÇA Coffee Mug
Regular coffee mugs available in the market are plastic or metal which can affect the taste of the coffee and cause health risk associated...
https://www.spicytec.com/2014/06/the-cortica-coffee-mug.html
Regular coffee mugs available in the market are plastic or metal which can affect the taste of the coffee and cause health risk associated with plastics and hot liquids. Regular porcelain mugs are perfect for coffee and unfortunately it cant be carried outside safely. Designer Robert Knox built the CORTIÇA Coffee Mug is a porcelain travel mug wrapped and insulated with cork. Cork is a perfect material to insulate and protect a porcelain mug and it keeps the coffee or tea hot, serves as a built-in coaster so you never have to worry about harming your furniture, and is impact resistant. You can order one of these from Kickstarter.