Designed with strong, flexible polypropylene, our 4 oz Sterile Specimen Containers ensure maximum reliability with leak-resistant lids, ideal for urine and specimen collection. Each container features a tamper-evident tab and ID label to maintain sample security and integrity. Ensuring optimal hygiene, these single-use, disposable containers also boast a sterile inner surface and are latex-free. For added convenience, they are individually wrapped, with 100 per case. Please note, they are not intended for use in pneumatic tubes. Scientific Supplies & Technology Inc. is committed to providing top-quality medical equipment to meet your rigorous standards.