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.