Thermo Scientific™ Capitol Vial Flip-Top Polypropylene Containers with Chain of Custody Seal feature a one-way, irreversible chain lock that secures the container once it is closed.
Food grade polypropylene.
Airtight and leak-resistant construction with permanent hinged lid.
Shoulderless, linerless containers.
To open after use, simply cut the chain lock with scissors.
Ideal for transport and storage of sensitive materials and samples.