Features: Insulated cup: a set of two double-wall  glasses, 80/350/250/450ML(optional) only each Perfect design for coffee, Espresso, or tea Heat resistant: made of mouth-blown, high-quality borosilicate-glass construction for a durable and heat resistant glass 2-Walls designed: insulated glass has a sleek 2-layer design that creates a dramatic optical illusion and prevents condensation Package list: 1 pcs coffee cups Specification: Material: High Borosilicate Glass Color: clear Size: as shown Package List: 1 pcs X coffee cups