Cups are made of durable PET. Great for dispensing medications, medical testing, inpatient room care and serving outpatients. Graduation marks permit easy measurement.They are easily disposable, with no messy clean up. Graduated Cup—Measurements marked in metric and standard US units. Cup Type: Medicine Cup; Interior Volume Capacity: 10 oz; Material(s): Polyethylene Terephthalate (PET); Material Type: Plastic.