12x18x18 Boxes
12x18x18 Boxes
12x18x18 boxes are 3,888 cubic inches of space — a standard corrugated shipping size for ecommerce orders, apparel, and mid-weight product kits.
Quick facts
| In-stock SKUs | 5 |
|---|---|
| Total options | 5 |
| Price from | $36.98 |
| Price to | $75.23 |
| Average price | $50.42 |
| Materials | kraft, corrugated |
| Strengths | ECT-32, ECT-48, ECT-44 |
| Pack quantities | 10, 20, 25 |
In-stock options
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18x18x12 ECT-48 Double Wall Kraft Boxes - Heavy Duty Shipping Cartons (Bundle of 10)
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18x18x12 ECT-32 Kraft Corrugated Boxes - Bundle of 20
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18x18x12 Multi-Depth Corrugated Boxes, ECT-32 Kraft, Bundle of 20
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18x12x18 ECT-32 Kraft Corrugated Boxes - 25-Pack Bundle
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18x18x12 Heavy-Duty ECT-44 Kraft Corrugated Boxes - Bundle of 25
When to use
- Shipping rigid goods that fit 12x18x18 inches (L x W x H).
- Orders where dimensional weight matters — this size avoids wasted cube.
- Bulk case packs for 3PLs, Amazon FBM, and DTC fulfillment lines.
When not to use
- Goods significantly smaller than 12x18x18 — you pay for wasted void.
- Items over 50 lb — step up to ECT-44 or ECT-48 double-wall.