Blog

It sounds contradictory—but pairing heat packs with cold packs is one of the smartest ways to protect fragile, temperature-sensitive products in transit. Whether you’re shipping tropical …

read more

Shipping temperature-sensitive goods safely depends on balance. Too little insulation and heat escapes; too much and your UniHeat packs can suffocate. This article explains how to choose the correct …

read more

Wondering what to do with used heat packs after a winter shipment? Here’s a clear guide on how to handle UniHeat warmers once they’ve done their job—plus what not to do. Important n …

read more

Winter shipping often means facing freezing temperatures, snow, and even sub-zero conditions. One of the most common questions we receive is whether UniHeat packs still work effectively in extreme co …

read more

Have you ever wondered how UniHeat packs stay warm for hours—or even days—without batteries or electricity? These small, lightweight packs rely on simple chemistry and careful design to p …

read more

Live plants are sensitive to temperature swings, especially when shipped across regions during colder months. For nurseries and growers, the challenge isn’t just packaging—it’s sche …

read more