<b>SilkFun high-quality sterile sample cup</b><br><br><br>><br> Our sterile specimen cups are individually wrapped and made from top grade latex-free polypropylene plastic. Each urine cup has a screw on leak-proof lid that can be sealed tightly for safe, mess-free handling. <br><br>><br> The container is leakproof when the lid is tightened. But please do not let the sample cup shake violently. <br><br>><br> Each sterile specimen container can hold 3 oz of urine with easy to read graduated measurement indicators in ounces (3) and milliliters (90). <br><br><br>Specimen cups are used for urinalysis in drug testing, STD screening, and pregnancy testing or to detect diseases, Diabetes and issues with the urinary tract, kidneys, liver and other organs. <br><br>Why choose SilkFun High Quality Aseptic Sample Cup<br><br> ★★ <b>Each experimental cup is individually vacuum packed</b> <br><br> ★★ <b>A threaded cover is used to prevent sample leakage.</b> <br><br> ★★ <b>Clear to Read Measurement Indicators</b> <br><br> ★★ <b>Tamper-proof label</b> <br><br> ★★ <b>Blue Cover Caps</b> <br><br> <b>How to use:</b> Install the test liquid into the cup>Tighten the screw cap>Print the patient information>Paste the tamper-proof label flat on the cup wall (must be used in the above order) <br><br><b>Tips 1:</b> The tamper-proof label should be very flat on the test cup, so as to ensure that the tamper-proof label maximizes its function. <br><br> <b>Tip 2: </b>When the experimental cup is normally inverted, the liquid inside will not leak out. Please do not shake the experimental cup vigorously.