The specimen containers provide efficient collection of urine samples for any medical facility, hospital, or clinical office for testing in a safe and secure way. The screw-on, leak resistant cap makes for a secure fit on this plastic specimen container, great for keeping your specimen secure and protected during transportation. Each 3oz container is designed with a tamper evident tab and includes an ID label for easy identification that can be useful for any testing. Each disposable medical sample cup comes completely sterile on the inside.