50-Pack Large Corrugated Cardboard Sheets for Mailers, 11x14 Flat Packaging Inserts Pads, Shipping, Packing, Mailing, Dividers, Crafts, DIY Art Projects Supplies (2mm Thick)

I use these to ship pages of baseball cards, comic books and other bendable merchandise. They are super sturdy, but not heavy which is good for the cost of postage. I found these to be the best for the money. Highly recommend!

Smooth edges and consistent width. I use these for my Etsy store as backing for vintage ads that I put into protective sleeves. They are sturdy and keep the Ads from being bent during shipment.

Thin, but a little thicker than card stock. Not really flimsy. A nice insert stiffener for semi-rigid mailers. Would use a little thicker pad for more protection.

Now 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.

I’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.

Using it to divide layers of collectibles. Can bend easily do things stay put.

I cut about 2 inches off to fit the height of my shelves and use it to wrap quilting fabric. Its stiff enough to hold as many yards as you have. Ive wrapped 7 yards and more.

I ordered these ti organize my fabric collection it Fit into the ikea kallak organizer and i love it made it very easy to put away.

These are sturdy and are great quality. I use these as backing for paper crafts that I sell and I love them. You can cut them down too so you can make them any size!

I purchased this cardboard to use for extra rigidity when shipping art prints. It is extremely rigid (more so than cardboard used for boxes), and arrived very well packaged with no damaged edges. Very impressed with this cardboard, will be ordering again in the future!