Product Details

18 x 18 x 18 Heavy Duty Double Wall Shipping & Packing Box – Cardboard 📦

When strength and reliability matter, choose our extra-durable double wall boxes. Built from 71 ECT, 1/3" thick kraft corrugated cardboard, these cartons are engineered to handle heavy loads, long transits, and demanding applications with ease.

Product Features:

  • 📏 Dimensions: 18" x 18" x 18" (inside)

  • 🛡️ Material: 71 ECT double wall corrugated cardboard

  • ⚖️ Strength: Extra-strong design for maximum protection

  • 🌎 Sustainably Made: Produced in the USA with recyclable kraft corrugated board

  • 🚚 Versatile Use: Suitable for shipping by ground, air, rail, or sea

  • 🏠 Multi-Purpose: Ideal for moving, storage, or shipping heavy, fragile, or bulky items

  • Weight: 3.2 Lbs Each

Why Choose Double Wall Boxes?

✔ Twice the strength of standard single-wall cartons
✔ Protects against crushing, punctures, and rough handling
✔ Perfect for industrial shipping, e-commerce, or personal moving needs

Order your heavy duty 18x18x18 double wall boxes today for wholesale value and uncompromising durability.

18 x 18 x 18 Heavy Duty Double Wall Shipping & Packing Box – Cardboard 📦

When strength and reliability matter, choose our extra-durable double wall boxes. Built from 71 ECT, 1/3" thick kraft corrugated cardboard, these cartons are engineered to handle heavy loads, long transits, and demanding applications with ease.

Product Features:

  • 📏 Dimensions: 18" x 18" x 18" (inside)

  • 🛡️ Material: 71 ECT double wall corrugated cardboard

  • ⚖️ Strength: Extra-strong design for maximum protection

  • 🌎 Sustainably Made: Produced in the USA with recyclable kraft corrugated board

  • 🚚 Versatile Use: Suitable for shipping by ground, air, rail, or sea

  • 🏠 Multi-Purpose: Ideal for moving, storage, or shipping heavy, fragile, or bulky items

  • Weight: 3.2 Lbs Each

Why Choose Double Wall Boxes?

✔ Twice the strength of standard single-wall cartons
✔ Protects against crushing, punctures, and rough handling
✔ Perfect for industrial shipping, e-commerce, or personal moving needs

Order your heavy duty 18x18x18 double wall boxes today for wholesale value and uncompromising durability.

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18x18x18 Double Wall Shipping and Packing Box (2 Pack)

$10.95
$10.95
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All items may be shipped from fulfillment centers strapped, folded, assembly may be required.
All items may be shipped from fulfillment centers strapped, folded, assembly may be required.

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J
Jim Richardson
Great Shipping Boxes

I shopped online for 18x18x18 shipping boxes to ship a set of four alloy car rims, putting two wheels in each box. I was very concerned about getting something sturdy enough. The ones I got from Wholesale Box exceeded my expectations and worked great. Highly recommend them.