Create professional insulated shipping containers with these one-piece gusseted 18x12x12 liners. Aluminum foil exterior with 3/16" bubble lining provides reliable thermal protection and leak resistance. FDA-compliant materials rated for food contact; sold in convenient cases of 25.
In Stock SKU: INL181212

18x12x12 Insulated Box Liners - Aluminum Foil Bubble, Case of 25

Create professional insulated shipping containers with these one-piece gusseted 18x12x12 liners. Aluminum foil exterior with 3/16" bubble lining provides reliable thermal protection and leak resistance. FDA-compliant materials rated for food contact; sold in convenient cases of 25.

$164.13 / CASE (25 PER CASE)
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Confirm this specSKU INL181212
Size
18 x 12 x 12 in
Material
Aluminum Foil Exterior / 3/16" Bubble Lining
Color
Silver
Sold as
CASE (25 PER CASE)
Freight class
300
Material
Aluminum Foil Exterior with 3/16" Bubble Lining
Dimensions
18" L x 12" W x 12" H
Color
Silver
Good fit for

Food and beverage distributors, pharmaceutical shippers, and cold-chain logistics companies needing cost-effective thermal protection for mid-sized shipments. These 18 x 12 x 12" liners combine aluminum foil exterior with 3/16" bubble insulation to maintain temperature integrity while reducing packaging waste and labor costs compared to pre-assembled insulated boxes.

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Best For

Food and beverage distributors, pharmaceutical shippers, and cold-chain logistics companies needing cost-effective thermal protection for mid-sized shipments. These 18 x 12 x 12" liners combine aluminum foil exterior with 3/16" bubble insulation to maintain temperature integrity while reducing packaging waste and labor costs compared to pre-assembled insulated boxes.

How to Choose the Right Packaging

The one-piece gusseted design eliminates assembly time, allowing your team to set up and pack shipments faster with zero frustration. FDA-compliant materials ensure food-safe contact, while the leak-resistant construction protects products and prevents cross-contamination, critical for perishable and temperature-sensitive goods shipped via standard corrugated boxes.

Specs at a Glance

MaterialAluminum Foil Exterior with 3/16" Bubble Lining
Dimensions18" L x 12" W x 12" H
ColorSilver
Packaging QuantityCase of 25 Liners
RecyclableYes
Common Use Cases
  • Perishable food and beverage shipping with cold packs Pharmaceutical and temperature-sensitive medical product distribution Meal kit and meal prep box fulfillment Frozen food direct-to-consumer e-commerce shipments Specialty food and gourmet product thermal protection
What You'll Receive
  • 25 gusseted insulated box liners (18 x 12 x 12 inches) One-piece construction ready for immediate use
Shipping & Packaging

Ships flat in compact case format, maximizing warehouse storage efficiency. Lightweight design reduces dimensional weight charges on outbound shipments to your customers.

Frequently Bought Together

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Frequently Asked Questions

Yes. These one-piece liners are engineered to fit snugly inside standard corrugated shipping boxes of matching dimensions, allowing you to convert any box into an insulated shipping container without purchasing expensive pre-made thermal boxes.

Yes. The materials are FDA-compliant for incidental food contact. Always pair with approved cold packs and follow your distributor's cold-chain protocols to maintain product quality, taste, texture, and color during transit.

The 3/16" bubble lining combined with aluminum foil exterior provides reliable insulation for typical 2-3 day shipments when used with cold packs. Performance depends on ambient temperature, insulation quality of cold packs, and packing density.

Absolutely. These liners are sold by the case (25 units), and bulk orders qualify for wholesale pricing. Contact our B2B sales team for volume quotes and flexible delivery schedules tailored to your seasonal demand.

Technical Specifications

Packaging QuantityCase of 25 Liners
RecyclableYes
Color Silver
Strength / Material Aluminum Foil Exterior / 3/16" Bubble Lining
Dimensions (Internal) 18"" × 12"" × 12"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

24.75" × 17.0" × 16.5" (L × W × D)

Unit of Measure

CASE

Qty Per Shipping Unit

25 PER CASE

LTL Freight Class

Class 300

Delivery Method

Shown at checkout

ORDER SUPPORT

Product Support

We aim to show product specs, case quantities, and availability clearly. Contact support if an item does not match the listed product details.

Secure checkout LTL freight available on case/skid orders

Buyer guides

Pick the right material, size, and gauge before you order.

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