The Reusable Bubble Tea Cup fits suitable in your hand and standard car cup holders. Portable to carry around in bag or car cup holder, the reusable 24oz & 16 oz mason jars drinking tumbler mug can be your go-to everyday mug for travel, on-the-go, school, office, work, shopping, picnic, etc. The boba cup is suitable for boba tapioca pearls, bubble tea, water, smoothies, iced coffee, juices, milkshakes, protein shakes and more drinks.