Safe to Use: the birthday cups are made of plastic, which are safe to use and drinking, and they are solid and reliable to use for a long time, you don't need to worry about they will break and deform easily Suitable Size: the capacity of the black cup is about 16 oz, which are suitable for you to drink water, milk, tea, soda and more, convenient to use, are suitable for serving medium portions of beverages Enough to Use: there are 50 pieces of black stadium cups in the package, allowing you to use for a long time, and you also can use them to serve your party, they are disposable, which can save your time and energy to clean the cups Multifunction: the black cup set not only can be applied to hold water, milk, tea, sods, but also can be applied to hold snacks, fruits, desserts and more, and even you can use it to play games Where to Use: the black disposable cups come with the gold words [Cheers to 40 Years! ], which are delicate, allowing you to use for 40th birthday, 40th anniversaries, 40th wedding ceremony, graduation party and more Features: Light and portable: The plastic cups are light and portable, you can take them with you, won't take you so much energy, allowing you to use for a camping, travel, outdoor party and more, convenient to use. Easy to store: The disposable plastic cups are not too big for you to store, you can put them in the closet, drawers, box and more, won't take up so much space, convenient to find them to use. Specifications: Material: plastic Color: black with gold Capacity: about 16 oz Package includes: 50 x Black disposable cups Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.