Coldkeepers Brochure 2026

Penguin Expanding Insulated Mailers

“There is no true test other than real- world,” Griffin explains. “If they’re shipping from Phoenix to Washington, D.C., we test it. It’s 110 degrees in Phoenix and 45 degrees in D.C. How does that change the packaging? What do we need to do differently?” “Virtually everything that we manufacture and do is U.S.-based — materials, 90% to 99% of everything we sell is U.S.-made.”

The emphasis is not volume — it is control.

“It’s not really about the products,” Griffin says. “It’s about the solution.” Cold Chain Is an Exact Science Oversimplification remains one of the industry’s biggest risks. “People think, ‘Oh, I’ve got to keep this cold.’ There’s a lot more to it,” Griffin says. “They think I’ll throw a gel pack in something and it’ll be fine. It doesn’t work that way.” Pack-out configuration requires calculated refrigerant placement, insulation layering, and buffering to prevent flash freezing while

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