Polyurethane One-Piece Insulated Shipping Liners – High-performance 1" thick polyurethane insulated solutions that maintain precise temperatures for 36 hours (with qualified options up to 72 hours). ISTA lab-tested and certified for reliable cold-chain shipping from America's Packaging in Chicopee, MA.Contact Us for a Free Quote

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Why Choose Our Polyurethane Insulated Shippers?

 

These one-piece polyurethane liners and complete insulated boxes deliver superior thermal protection in a durable, efficient design. The thick closed-cell polyurethane foam provides excellent insulation with minimal weight, making them ideal for consistent temperature control during transit.

 

Key Benefits:
 

• Proven 36-hour performance — Third-party ISTA lab tested and certified for reliable temperature stability.

• Extended options available — Custom configurations for 48, 60, and 72-hour shipments.

• Enhanced with refrigerants — Pair with gel packs or dry ice for even longer hold times and stricter temperature ranges.

• Custom pack-out support — Our team designs optimized solutions to prevent thermal damage and ensure compliance.

• Durable & practical — One-piece construction fits standard cubic boxes (liners) or ships as complete boxes; reusable and rugged.
   

Ideal For
 

• Premium Foods — Chocolate, cheese & dairy, frozen foods, steaks, hams, and other perishables.

• Pharmaceuticals & Drugs — Medications and temperature-sensitive health products.

• Specialty Items — Fresh flowers, live animals (such as tropical fish), and other delicate cargo.

 

Available Sizes (in):

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• 6x6x6

• 8x8x8

• 10x10x10

• 12x12x12

• 14x14x14

• 16x16x16

 

Protect your valuable shipments with confidence. Contact America's Packaging today for ISTA test data, custom pack-out recommendations, sizing options, bulk pricing, or a free quote. Complete cold-chain solutions including gel packs, recyclable liners, and extreme shippers available.

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