Caffeine is an alkaloid stimulant and for many of us, a vital molecular component! Turn your everyday disposable coffee cup into a reusable mug with our double-walled, thermal porcelain cup. The two layers of porcelain, which are separated by a hollow cavity, act as a perfect insulator for hot and cold beverages and ensure that you won't burn your fingers.The flexible silicone lid helps prevent messy spills. This porcelain cup is both microwave- and dishwasher-safe, holds approximately 11 ounces. Designed exclusively for HMNS.