Features: 1. Optional: 395ml, 580ml optional, with lid and straw. 2. Durable and Safe: The drinking glasses are made of high-quality durable clear glass, lead-free, and BPA-free, can withstand the sudden changes in the temperature, and is reusable and environmentally friendly. 3. Bamboo Lid: The bamboo cover uses a silicone strip which is a stronger sealing performances, and can completely fit the body of the jar, doesn't need to worry about leaking. 4. Multipurpose: The can-shaped glass cup is great for any hot and cold drinks, suitable for families, kitchens, breweries, cafés, bars and restaurants. You can use it to make perfect tea, boba bubble Pearl Milk Tea, soda, water, iced coffee, smoothie, fruit juice, or any other interesting drinks. 5. Amazing Gift: This jar is excellent workmanship, perfect for birthdays, housewarming gifts, home bars, graduation, weddings, bachelorette parties, Christmas gifts, etc. Specification: Material: High Borosilicate Glass Color: Transparent Size: 7 x 12.2 x 6cm, 7.5 x 15.5 x 6.5cm Capacity: 395ml, 580ml Weight: 145g, 180g Package Included: 1 x Mason Jar with Lid and Straw