
Flat Corrugated Boxes
- 84 size variations for versatile use
- Single-wall corrugated sturdy protection
- Priced from $0.98 to $14.55 per unit
ASTM D5118 Certified
ASTM D4727 Certified
CSA Class Code A Certified
30 x 30 x 6 Flat Corrugated Boxes are large, shallow-depth single-wall corrugated cardboard boxes designed for shipping and storing oversized flat items. Ideal for artwork, apparel, documents, and retail goods, these boxes offer sturdy protection with inside dimensions of 30"x30"x6" and are available at competitive per-unit pricing.


These boxes have inside dimensions of 30 inches long by 30 inches wide by 6 inches deep. All dimensions listed are interior measurements, ensuring your product fits precisely within the box without excess space or compression issues.
Talk to our experts for custom solutions and tailored guidance.

Ship large flat consumer goods, apparel, and retail products securely with properly sized shallow corrugated boxes.

Protect oversized artwork, framed prints, and architectural drawings during transit with large flat corrugated packaging.

Package folded clothing, fabric rolls, and textile goods efficiently in shallow boxes that minimize excess void fill.

Organize and distribute flat components, documents, and sheet goods in durable corrugated boxes built for handling.
Talk to our experts for custom solutions and tailored guidance.
Choose from an unmatched inventory of corrugated box configurations, including hard-to-find shallow and specialty sizes for every application.
All boxes meet ASTM D5118, ASTM D4727, and CSA Class Code A standards, ensuring reliable protection and compliance documentation when needed.
Cartons ship flat to reduce freight and storage costs, making stocking up on large-format boxes like 30x30x6 efficient and cost-effective.
Submit your request and our team will respond with pricing, availability, and bulk order options tailored to your shipping needs.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.