18x18x18 Boxes
18x18x18 Boxes
18x18x18 boxes are 5,832 cubic inches of space — a standard corrugated shipping size for ecommerce orders, apparel, and mid-weight product kits.
Quick facts
| In-stock SKUs | 10 |
|---|---|
| Total options | 10 |
| Price from | $43.98 |
| Price to | $163.36 |
| Average price | $96.50 |
| Materials | corrugated, kraft, white, foil, aluminum, bubble |
| Strengths | ECT-32, ECT-48, ECT-44, ECT-71 |
| Pack quantities | 5, 10, 20 |
In-stock options
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18x18x18" ECT-48 Double Wall Corrugated Boxes - Heavy Duty Kraft, Bundle of 10
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18x18x18" ECT-32 Kraft Corrugated Cube Boxes - Bundle of 20
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18x18x18" Multi-Depth Corrugated Box ECT-32 Kraft - 20 Pack
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18x18x18" ECT-44 Heavy-Duty Kraft Corrugated Boxes - Bundle of 20
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18x18x18" White Corrugated Box ECT-32 Single Wall Bundle 20
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18x18x18 ECT-48 Double Wall Boxes w/ Hand Holes – Bundle of 10
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18x18x18" ECT-90 Triple Wall Corrugated Boxes - Heavy-Duty Shipping, Bundle of 5
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18x18x18" V3c 350# Weather-Resistant Corrugated Boxes - Bundle of 10
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18x18x18 ECT-71 Heavy-Duty Double Wall Corrugated Boxes (Bundle of 10)
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18x18x18" Insulated Box Liners - Aluminum Foil Bubble Lined, Case of 10
When to use
- Shipping rigid goods that fit 18x18x18 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 18x18x18 — you pay for wasted void.
- Items over 50 lb — step up to ECT-44 or ECT-48 double-wall.