The 6x4 Compression Pack is our largest standard size. It provides fully transparent protection for larger valuable surface sensitive products from storage, handling, and shipping damage. The product is gently suspended and immobilized between two rings of clear, inert, polyurethane film. The rings are mounted within a clear, re-closable, injection molded container that features a positive lock closure. This allows you to visually indetify and inspect products with out exposing them to the outside elements. Useable surface area is 6” x 4” x 2.5” - Outer dimensions are 7” x 5.125” x 2.75”.

  • Easy to use, very labor friendly
  • No out-gassing or molecular transference
  • Provides superior product protection
  • Conforms to various shapes and sizes of parts
  • Can be cleaned to Class 100
  • Can be gamma bombarded
  • Turnkey solution, ready to use out of box
  • Unique design and presentation
  • Non abrasive film protects sensitive surfaces
  • Reusable and replaceable film rings

    The 6x4 features a clear, robust injection molded case with a positive lock closure system. You can be sure the pack will stay closed with no matter what size product is inside.


    The 6x4 membrane film is a custom blend durable polyurethane. It is rugged, yet gentle and conforms to the shape of the product to suspend it within the outer case.


    The 6x4 can fit an extensive range of different size products or parts. This allows you to use the same pack for multiple size items minimizing your packaging inventory sku’s.

Whatever your needs are for shipping and protecting fragile products, we can provide an economical solution.


Crystalair® 6x4 Compression Packs are designed specifically to protect products and parts with highly polished and sensitive surfaces that can be easily damaged from the vibration and shock that occurs in any normal lab, production or shipping environment. Here is an example of some of the applications that benefit from using our products:

  • Photo Equipment
  • Glass Aspheres
  • Wafers
  • Semiconductors
  • Ceramics Labratory
  • Precision Machined Parts
  • Fused Quartz
  • Fiber Components
  • Optical Crystals
  • Dental Labratory
  • Laser Components
  • Precision Optics
  • Vacuum Tubes
  • Active Implantable Devices
  • Molded Lenses


Crystalair® Compression Packs outer case and rings are precision injection molded from specialty resins. Film is adheared to the rings with a propritary process that does not use any adhesive or chemicals that can contaminate the product.

The film is a propritary, non abrasive blend that is designed to provide superior protection while not marring the surface of the product. The film secures the product in place yet stretches enough to allow for dissapaion of shock. Also has no out-gassing or molecular transference.

All of our Crystalair® Compresion Packs are reuseable. In the case of damage occuring over time the film rings can be replaced while reusing the outer case. Our packaging is ROHS compliant and contains no hazardous substances or materials.

If you have a product that requires a custom design we can work with you to develop a package for your specific product or application. Our packaging designers will create a package to your requirements that will safely and efficiectly ship your product. We can also test to ITSA or ASTM standards if required.

Interested in speaking with someone? Contact us today!

Click the CONTACT US button to begin an email conversation with a repesentitve or call 1-800-222-0221 to speak to someone immediatly.