SI PRODUCTS 12 x 12 x 6 Shipping Boxes ECT Rated Kraft 121206
SI PRODUCTS 12 x 12 x 6 Shipping Boxes ECT Rated Kraft 121206
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SI PRODUCTS 12 x 12 x 6 Shipping Boxes ECT Rated Kraft 121206

Key item features

  • Bundle Quantity: Sold as 25/Bundle.
  • Durable Protection: Shipping boxes help ensure items are protected during shipping. Kraft material.
  • Dimensions: Overall dimensions: 12"L x 12"W x 6"H. 0.5 cu. ft. capacity.
  • Strength Rating: 32 ECT rating provides the strength needed for stacking on warehouse shelves.
  • Square Design: Square shipping box with C: 39-43 flutes per foot.
  • Certified Manufacturing: Manufactured for WorkLife Brands LLC by a certified MBE (minority owned business).
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Current price is Now $36.92
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was $41.54
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  • Free 30-day returns

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Arrives by Mon, Jun 29
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Sold and shipped by Staples Business
4.482923299565846 stars out of 5, based on 6910 seller reviews(4.5)
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Customer ratings & reviews

4.6 out of 5 stars
stars19 ratings12 reviews
How item rating is calculated
  1. 5 stars84% (16)
  2. 4 stars5% (1)
  3. 3 stars0% (0)
  4. 2 stars11% (2)
  5. 1 star0% (0)

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Showing 1-3 of 12 reviews

Nov 6, 2024
Randall
Sold and shipped byBusiness Supply Center
5 out of 5 stars review

Verified Purchase

These are the same or better quality as the USPS

We will be using these to ship care packages to soldiers in harm's-way using USPS Ground Advantage. I'm sure these boxes will make the journey safely, These are the same or better quality as the USPS Priorty Boxes. The vendor should put the specs stamped on the bottom of the box on the listing. This would have made my selection easier. Today I will order 50 more of these. Packages4Patriots.com

Incentivized Review
Helpful?3CI6S19FN1JK576298289
Mar 26, 2026
Gieselle
Walmart Associate
Sold and shipped byBusiness Supply Center
5 out of 5 stars review

Verified Purchase

Good Boxes for shipping

Very sturdy box. Good price.

Incentivized Review
Helpful?3CI6S19FN1JK576298289
Dec 22, 2025
Gagster
Sold and shipped byBusiness Supply Center
5 out of 5 stars review

Verified Purchase

Excellent for Shipping %26 Storage

Excellent, sturdy boxes for shipping cardstock concert posters if left flattened. We also use them for CD storage.

Incentivized Review
Helpful?3CI6S19FN1JK576298289