JoyJolt Double Wall Insulated Coffee Mug makes the perfect teacup, coffee cup or hot drink holder. For convenience, our set of 2 coffee mugs have handles for holding. The double wall coffee mug design allows the drink inside to remain hot while the outside of the glass remains cool to touch. Joyjolt glasses are dishwasher safe for your convenience and are made of top-quality glass. A Joyjolt coffee mug is the perfect morning companion!