18" x 12" x 12" Shipping Boxes (3 Pack) – Heavy-Duty Corrugated Cardboard Moving & Packing Boxes

Protect your products with reliable, industry-standard strength using our 18 x 12 x 12 corrugated shipping boxes. Built from durable 32 ECT single-wall corrugated cardboard, these boxes deliver the perfect balance of strength, weight efficiency, and cost-effective shipping protection. Ideal for ecommerce fulfillment, storage, moving, and general packaging needs.

Manufactured in the USA using sustainably sourced kraft corrugated material, these boxes are engineered for dependable performance across ground, air, and freight shipping.

📦 Product Specifications

• Inside Dimensions: 18" x 12" x 12" (Length x Width x Height)

• Quantity: 3 boxes per order

• Material: 32 ECT single-wall corrugated cardboard

• Wall Thickness: 1/8" kraft corrugated board

• Box Weight: 1.07 lbs each

• Color: Natural kraft brown

• Condition: Ships flat for efficient storage and lower shipping costs

• Assembly: Quick and easy assembly (tape required, not included)

• Recyclable: 100% recyclable and eco-friendly

• Country of Manufacture: Made in the USA 🇺🇸

All dimensions are internal measurements.

💪 Strong, Reliable Shipping Protection

32 ECT corrugated cardboard is the trusted industry standard for shipping lightweight to moderately heavy items. These boxes provide excellent stacking strength, puncture resistance, and structural durability to keep your products protected throughout transit.

Perfect for shipping via:

• UPS

• FedEx

• USPS

• Freight carriers

• Air, rail, and ground transport

📦 Ideal Uses

These versatile shipping boxes are perfect for:

• Ecommerce shipping and fulfillment

• Moving and relocation

• Product packaging

• Storage and organization

• Retail shipping

• Subscription boxes

• Warehouse operations

Commonly used to ship items such as:

• Electronics

• Household goods

• Clothing and apparel

• Books

• Tools

• Small appliances

🚚 Designed for Efficient Storage & Shipping

Ships flat to save valuable warehouse space and reduce freight costs. The lightweight yet strong construction helps optimize dimensional weight while maintaining reliable protection.