CUP SIZE: 400ml size - mouth diameter 6.5cm, base diameter 6.0cm, including lock height 12.5cm, 540ml size - mouth diameter 6.5cm, base diameter 6.0cm, including lock height 15.5cm. Classic design, very practical mixed drink sets DURABLE and SAFE: The jars are made of high-quality durable clear glass, lead-free and BPA-free. It can be used safely for a long time. This thick clear glass can withstand the sudden changes in temperature difference between -68F to 212F, making them dishwasher safe. If you want to decorate this glass, you can easily do it yourself without breaking it. MULTIPURPOSE: The jar-shaped glass Perfect for all occasions, all hot and cold drinks. It is widely loved by families, kitchens, breweries, cafes, bars and restaurants. You can use it to make perfect tea, boba bubble Pearl Milk Tea, soda, water, iced coffee, smoothie, fruit juice or other interesting holiday drinks. GREAT GIFT: This jar is very modern, aesthetic and distinctive. Excellent workmanship. Perfect for birthdays, housewarming gifts, tea sets, bar accessories, graduations, weddings, bachelor parties and Christmas gifts.",