Design - the aeris tumbler is crafted with - smooth double-wall design that keeps your drinks at the perfect temperature. ideal for hot brews or cold refreshers, its 160 ml size offers elegant versatility for everyday rituals. borosilicate - crafted from premium borosilicate glass, these lightweight yet durable glasses are resistant to thermal shock, making them perfect for both hot and cold beverages. versatile glasses - ideal for beer, iced teas, cocktails, and fresh juices, these ribbed beauties enhance everyday moments and elevate special occasions great for brunches, parties, and evening wind-downs. microwave - dishwasher safe - designed for effortless convenience, these glasses handle microwave heating and dishwasher cycles with ease, maintaining clarity and structure over time. crystal-clear - non-porous, bpa-free, and odor-resistant, these glasses retain their clarity, resist stains, and stay fresh-looking even after repeated use.