Box of 64 Specimen Transport Containers, Epredia Signature Series, #53151, 15 ml. Expiration date is 09/2026. Per Manufacturer: «Epredia™ Signature Series™ Specimen Transportation System -STS™ – Prefilled Containers 10% Neutral Buffered Formalin Prefilled Container. Transport, store and retrieve pathology specimens in a safe and cost effective manner with Signature Series™ Specimen Transportation System – STS™ prefilled 10% NBF in various configurations.» «Description Closure SystemPatented Epredia™ Bio-Tite™ closure system is dual-threaded, making it virtually impossible to cross-thread and minimizing leakagePrefilled ContainersNonsterile containers marked with a lot code and expiration date.Comply with all updated federal and state OSHA requirement.Labeled with highly visible, bright yellow labels with space for patient information for instant identification to minimize health risks.»