McKesson Drinking Cup 10 oz. Clear Polyethylene Disposable (1127772_CS) 1000/CSRigid design made of durable PET (polyethylene terephthalate) plastic provides premium level of crush resistance to securely hold liquids. Graduations can be checked against the meniscus of the liquid so cups are useful when measuring doses or striving to meet an intake goal. Dual side graduations provide approximate measurements from 50 to 220 mL (or cc) in 10 mL increments and from 2. 0 to 7. 5 in increments of 0. 5 fluid ounce.