1.Reusable: Mason jars bubble drinking cup is made of high quality glass, with bamboo lids and 304 stainless steel straws meets food grade material standards. Glass ice coffee bottles are BPA-, reusable, avoid waste and environmentally friendly 2.Extra & Multi-function: Capacity 24 oz bubble tea drinking cup storage full of food, keeps cans, milkshakes, juices and smoothies cold & fresh. Enjoy delicious smoothies or refreshing coffee every day. Invite your family, friends and colleagues to make homemade juices. 3.Portability and Popularity: The reusable 24oz mason jar drinking cup allows you to hold the cup tighter, no slipper. Stylish appearance becoming increasingly popular, you would like to hold it anywhere. It will be the everyday cup of your life, you can keep it in your hands or put it in your car cup holder. The popular mason jar mug is great for travel, office, school and home, work, shopping, picnics. 4.Easy to Clean: Bubble smoothie cups with wide-mouth design, the wide angled straws are perfect for sipping pearls easily in bubble tea and also a great size for smoothies, widely used. Since the inside of the drinking cup jar is smooth, food or drink attached to the cup is also easy to wash off. Shaking and cleaning without any difficulty.