12 x 12 x 4 Corrugated Shipping & Packing Box

32 ECT Single-Wall Cardboard Carton

Compact, durable, and cost-effective, these 12 x 12 x 4 corrugated shipping boxes are ideal for smaller products, flat items, and lightweight shipments. Built to industry standards, they offer dependable performance across a wide range of shipping and storage applications.

📦 Product Specifications

• Box Style: Regular Slotted Container (RSC)

• Inside Dimensions: 12" L × 12" W × 4" H
  (Dimensions listed are internal measurements)

• Material: Kraft corrugated cardboard

• Board Strength: 32 ECT (Edge Crush Test)

• Wall Type: Single wall

• Thickness: Approx. 1/8"

• Weight: 0.53 lbs per box

• Tape Included: No

🚚 Shipping & Handling

• Boxes are shipped flat or folded

• Ships flat for freight and storage savings

• Easy and quick assembly required to form standard boxes

📋 Freight Information

• NMFC Code: 29785-5

• Freight Class: 125

🇺🇸 Quality & Sustainability

• Made in the USA

• Produced from sustainably sourced, recyclable kraft corrugated board

• Designed for strength, consistency, and reliable performance

📦 Common Uses

• E-commerce and order fulfillment

• Small parts and lightweight products

• Storage and organization

• Moving and packing

• Suitable for shipping via ground, air, rail, and sea

⭐ Why Choose 32 ECT Boxes?

32 ECT single-wall corrugated cardboard boxes are the industry standard, offering an excellent balance of durability, weight, and cost. These cartons provide reliable protection while keeping shipping expenses efficient.

Buy wholesale cardboard shipping and packaging boxes you can depend on—strong, versatile, and responsibly made.