Clear plastic construction with graduations offers easy observation and measurement of contents. Highly visible "positive seal" indicator clearly shows container is sealed when red bars are lined up. Exclusive metal lid with plastic lining provides a leak-resistant seal to minimize leakage of specimen during transportation.- Specimen Container, 5 oz, Sterile, 50/bx, 4 bx/cs (25 cs/plt) (Item on Manufacturer BackorderInventory Limited when Available)