Warehouse managers and fulfillment directors shipping mid-sized products need reliable, cost-effective packaging that performs in high-volume environments. The 21 x 14 x 14" ECT-32 kraft corrugated box delivers standard industrial strength at competitive pricing, ideal for e-commerce, retail distribution, and logistics operations requiring consistent stacking performance and freight efficiency.

Best For
How to choose
Specs at a Glance
| Material | ECT-32 Single Wall Kraft Corrugated |
| Dimensions | 21" Length x 14" Width x 14" Height |
| Burst Strength | ECT-32 rated for 32 lb edge crush test |
| Packaging Format | Bundle of 20 boxes |
| Recyclable | Yes |
Common Use Cases
- E-commerce order fulfillment and last-mile shipping Retail distribution and inventory storage Food and beverage product shipping Electronics and appliance packaging General merchandise and multi-product bundling
What You'll Receive
- 20 unassembled corrugated boxes, 21 x 14 x 14 inches Kraft material ready for printing, labeling, or branding
Shipping & Packaging
Frequently Asked Questions
ECT (Edge Crush Test) 32 measures the corrugated material's vertical stacking strength, rated at 32 lbs per linear inch. This standard-strength rating is ideal for typical industrial shipping where boxes stack 3 - 5 high without heavy loads, balancing durability with cost efficiency.
ECT-32 single-wall boxes typically support 20 - 30 lbs per box depending on product weight distribution and stacking height. For precise load calculations, consult Packrift's strength charts or contact our B2B support team with your specific product weight and stack requirements.
Yes. The 21 x 14 x 14" dimension optimizes pallet utilization and cube efficiency for typical mid-sized products, reducing wasted space in shipping containers. Bulk ordering also locks in per-unit pricing, lowering your packaging costs and freight expenses over annual volume.
These boxes ship blank kraft with no printing. Packrift offers custom printing, flexographic options, and pre-printed inventory for branded boxes; contact our sales team for quotes and minimum order requirements on customized versions.
Technical Specifications
| Packaging Format | Bundle of 20 boxes |
| Recyclable | Yes |
| Color | Kraft |
| Strength / Material | ECT-32 Single Wall Corrugated |
| Dimensions (Internal) | 21" Γ 14" Γ 14" (L Γ W Γ H) |
Shipping Information
Outer Carton Dimensions
21" Γ 14" Γ 14" (L Γ W Γ H)
Unit of Measure
BUNDLE
Qty Per Shipping Unit
20 PER BUNDLE
LTL Freight Class
Class 125
Delivery Method
Shown at checkout
Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.
Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.
For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.
ORDER SUPPORT
Product Support
Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.
Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.
Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.
Contact product supportBuyer guides
Buying notes and spec resources stay here instead of taking space above the cart.
Use this product as the source
21x14x14 ECT-32 Kraft Corrugated Boxes - Standard Strength Shipping, Bundle of 20
Related products
Shop corrugated boxes
Compare resources using the current product page data: SKU 211414 , type Boxes - Corrugated , sold-as unit BUNDLE / pack count 20 PER BUNDLE . Confirm the product page price, availability, and selected variant before ordering.
Compare inside dimensions, board grade, style, and bundle quantity.
Product support Use the box size calculatorUse this tool when item size, void fill, or storage space affects the carton.



