CryoSleeve – PVC Sleeves (Pack of 100)

CryoSleeves are durable PVC covers designed for use with CryoCane vial holders. They stay flexible at cryogenic temperatures, so they won’t become brittle when frozen. Each sleeve adds an extra layer of protection during handling and storage, keeping your vials secure, organised, and easy to manage inside the vessel.

What Cryosleeves Are and Why They Matter in Cryogenic Storage

Here’s the thing: when you’re working with samples stored in liquid nitrogen, every component in the workflow has a job. Cryosleeves might look simple, but they solve a very specific problem — keeping straws protected, organised, and easy to handle when temperatures drop to –196°C.

What Cryosleeves Actually Do

Cryosleeves are protective outer tubes designed to hold 0.25 ml and 0.5 ml straws, or similar cryogenic storage formats. Their job is straightforward:

  • Keep the straw secure

  • Keep the sample visible

  • Make loading and retrieval quicker

  • Prevent damage during handling and insertion into canes or visotubes

They slot neatly into canes, racks, or visotubes depending on the system you’re using. That consistency matters when you’re trying to keep samples traceable and workflows predictable.

Where They Fit in the Workflow

Cryosleeves usually sit between the straw and the cane. You load the straw into the sleeve, the sleeve into the cane, and the cane into the vessel. The result: samples stay upright, separated, and easy to identify when the lid comes off.

If you’re working in reproduction, research, biobanking, or any setup that processes large batches, sleeves are the unsung heroes that keep everything moving smoothly.

Key Benefits at a Glance

  • Protection for 0.25 ml and 0.5 ml straws

  • Better organisation and colour-coding

  • Quicker loading and retrieval

  • Reduced risk of handling damage

  • Compatible with standard cryocanes and visotubes

Cryosleeves aren’t the flashiest part of a cryogenic storage setup, but they’re one of the most quietly important. They make your workflow cleaner, your samples safer, and your time in front of the vessel much easier. contact Cryolab today to get yours!

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