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Bundle of 25 kraft corrugated rectangular shipping boxes 18x12x12 inches

United General Supply Co Inc

United General Supply Co Inc Brown Corrugated Shipping Boxes 18x12x12 25/Bundle 181212

SKU CH-9TN6-15KH8

Kraft corrugated shipping boxes measuring 18 x 12 x 12 inches with 32 ECT strength, supplied in bundles of 25

  • TypePostal Tubes\Boxes
  • ColorKraft
  • Protects contents during transit with sturdy corrugated Kraft construction
  • 32 ECT rating and 39–43 flutes per foot deliver reliable stacking strength
  • 5 cu. ft. interior fits files and office supplies comfortably
  • Bundle of 25 boxes keeps stockroom ready for high-volume shipping
  • Meets SFI-01344, ASI Food Safety and GMP standards for regulated shipments

18 x 12 x 12 Kraft Shipping Boxes — 25 Bundle

These rectangular corrugated boxes measure 18 inches long by 12 inches wide by 12 inches high and provide 1.5 cubic feet of internal volume. They are sold in bundles of 25 for packing files, office supplies or general merchandise. The kraft construction uses 32 ECT board with 39 to 43 flutes per foot for consistent strength. The product is manufactured by a certified minority-owned business.

32 ECT Corrugated Construction — Transit Durability

The 32 edge-crush-test rating and high flute count give the walls reliable resistance to stacking pressure and handling impacts during shipping. Kraft fibre meets SFI-01344, ASI Food Safety and GMP standards for clean, compliant packaging. The fixed-depth design keeps the box rigid without the need for tape reinforcement on the sides. Each bundle supplies enough units for regular despatch workflows.

Fixed-Depth 1.5 cu ft Cartons — Replaces Assorted

These cartons replace an assortment of smaller mailers when a uniform 18 by 12 by 12 inch footprint simplifies palletising and label placement. The jump is worth it when you ship consistent loads that fill 1.5 cubic feet and need the 32 ECT rating for carrier acceptance. Buyers who need variable depths or capacities below one cubic foot should look at adjustable or smaller formats.

Highlights

  • Protects contents during transit with sturdy corrugated Kraft construction
  • 32 ECT rating and 39–43 flutes per foot deliver reliable stacking strength
  • 5 cu. ft. interior fits files and office supplies comfortably
  • Bundle of 25 boxes keeps stockroom ready for high-volume shipping
  • Meets SFI-01344, ASI Food Safety and GMP standards for regulated shipments

Specifications

TypePostal Tubes\Boxes
BrandGENERAL SUPPLY
ColorKraft

Questions about this item

How do I assemble the 18 x 12 x 12 inch box without weakening the 32 ECT corners?

Fold the scored flaps inward, tape the centre seam and both edge seams with 2-inch pressure-sensitive tape; the most common error is leaving the edge seams untaped, which reduces the 32 ECT rating.

When should I replace a box from the 25-count bundle?

Replace any box that shows crushed flutes, torn corners or moisture stains; the 39–43 flutes per foot and 32 ECT rating only hold while the corrugated structure is intact.

What weight limit will I hit first when stacking loaded 1.5 cu. ft. boxes on a pallet?

The 32 ECT edge-crush rating is the limiting factor; exceeding it causes the bottom box to buckle before the 1.5 cu. ft. volume is filled.

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