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Sonoco™ ThermoSafe LabMailer Shipping Containers

Accommodates a variety of tubes, vials, cans and bottles

Supplier:  Sonoco™ 372

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Catalog No. 03-525-23B

This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000.



  • 03-525-23B: Mailing sleeve for Model 03-525-34B
  • 03-525-34B: Sturdy 0.5 in. (1.3 cm) walls protect against shock and breakage
  • Foam mailer and paperboard mailing sleeve sold separately
  • Interior dimensions: 4L × 3.25W × 3.25 in.H (10.2 × 8.3 × 8.3cm)



Mailing sleeve for Model 402.
Mailing Sleeve for Lab Mailer 402
Maximum breakage protection for shipment of known non-hazardous materials
5 1/4 X 4 3/8 X 4 3/8 in.
Reusable/recyclable polystyrene foam
Mailer Sleeve for Model 402


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