Urine sample collector specimen container sterile (50ml) samples containers are round or cylindrical in shape with white air tight screw caps to prevent leakage and overflow and the bottom of the cup is flat, so it can be placed easily. These urine containers are marked with printed graduation on the bottle measurements on the bottle are present these are also used as urine container, lab samples container, sputum container, stool sample container perfect for single-use urine specimen sample collections as well as single-use biological collections.