













50-Pack Large Corrugated Cardboard Sheets for Mailers, 11x14 Flat Packaging Inserts Pads, Shipping, Packing, Mailing, Dividers, Crafts, DIY Art Projects Supplies (2mm Thick)
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Carmel Fisher
> 3 dayI’ve ordered these more than a few times and the last two times have been very warped and crooked. Might work for some but I need the board to lay somewhat flat.
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NS
> 3 dayGreat quality. Very sturdy!
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Koko
> 3 dayA lot of them are bowed, and I cannot get them to be flat. The pieces that are flat feel very sturdy and great for shipping sheet music. The box it came in was ok, so Im not sure what happened. If they were all completely flat, itd be perfect.
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Michele
> 3 dayJust what I needed to sell prints of artwork. These + plastic sleeves are perfect for customers to pick up an item and carry it without worry it will bend.
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Candice Wagner
Greater than one weekBought for art project and it was perfect
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Ryan Geary
> 3 dayThese came quick(which is fairly standard with Amazon Prime nowadays) and we’re just what I needed. I required something sturdy for packaging artwork prints and these did the job nicely.
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Christoph
> 3 dayNow very warped. I live in a dry environment with low humidity so not sure why they would warp. I tried putting flat cutting board + weight on the package, but no success after 2 weeks. Very disappointing.
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Shep
> 3 dayMy grandson & I made a Mayan pyramid temple with this product! It was perfect!
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Carol
> 3 dayI’m making cardboard houses it works great for me.
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Dr. Elenor Olson
> 3 dayIve brought these before but this batch was completely warped. I use for shipping books and it warps the books. Useless. edit: ordered again to see if it was just a fluke that they were warped. it wasnt. 2nd batch was warped too. probably due to how they ship them