envoy temperature control system

Sonoco™ ThermoSafe Envoy™

Global Pre-Qualified Insulated Shippers with Universal Packout

As the global leader in temperature assurance packaging, ThermoSafe Brands is recognized for its expertise and advanced solutions. We also realize that our customers require solutions tailored to address the needs of a wide range of shipping conditions.

For that reason, we’ve utilize the Envoy™ Insulated Shippers — a simple, economical solution for less complex shipping needs, with testing data and design qualification from ISC Labs



  • A simple solution ideal for 1-2 day shipments and small payloads
  • Seasonal packouts that are simple to follow and use foam bricks that maintain their shape for easy assembly
  • Standard components


  • An economical option from ThermoSafe Brands
  • A convenient off-the-shelf product with an effective temperature performance


Description & Specifications

  • Universal packout configuration
  • Positioned as low material packaging cost solution
  • Offers various sizes, temperature ranges and flexibility
  • Envoy Global line is able to change from controlled room temperature, refrigerated and frozen temperatures by changing the refrigerants
  • Simple and error-free
  • Utilizes four EPS container sizes
  • Pre-Qualified to ISCsilver ambient profile
  • Zero Bench Time refrigerant design
  • Expanded polystyrene insulation
  • Low packaging material cost
  • Simple designs
  • Air flow channels built into EPS, allows for less refrigerant needed in each packout


  • Refrigerated and CRT: Minimum of two days
  • Frozen: Minimum of four days

Shipping pharmaceuticals, clinical treatments and diagnostic samples