glass coffee mug ,250ml borosilicate glass,Eco-friendly,good for health. Dishwasher ... is ok If you do not like put the hot coffee,water, beverages fill in the plastic cup and paper cup ... is great for latte, tea, juice,water,beverages and so on.different style,size,capacity,client's LOGO are available.Also ... recommend this product.Our Factory: Production Process:SGS Test: glass coffee mugs