This Bistro cup set is the perfect addition for any coffee lover. Ideal for serving a rich indulgent chilled dessert or hot espresso. Double wall construction keeps drinks hot or cold longer. Borosilicate glass is mouth-blown and is heat resistant. Double wall design helps prevent condensation and scalded fingers. Lightweight clear to the eye and smooth to the touch. Withstands extreme temperatures -30F to 350F. Dishwasher safe. 10oz Capacity.