ProAdvantage - Urine Specimen Cup is a graduated sterile container with a screw on lid. Urine specimen cups are used to collect and transport urine specimens to laboratories, clinics, or physician's offices. This sterile container is ideal for sputum specimen, stool specimen, tissue specimen, urine testing, or urine sample.This cup holds up to four ounces. The lid is easy to screw on and off. The 4 oz container comes with a label that can be used to mark down important information about the sample. This product is packaged individually because each cup is sterile and it can be purchased by the case of 100 or by the each.