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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1 reviews

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

Regular price
$10.95
Sale price
$10.95
Regular price
Shipping calculated at checkout.
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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Customer Reviews

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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.