Kruzhkus mug has the most comfortable grip in the world#46; One finger is all it takes to hold this vessel while other fingers aren#39#59;t touching its hot surface#46; It will never slide off your hand#46; It#39#59;s made of matte nice-to-touch ceramics#46;Specifications. Material - Ceramics. Microwave and dishwasher safe Box. Gift Mug. Color - Chocolate