24 Pack Corrugated Cardboard Sheets 12x12, Flat Square Card Board Inserts for Packaging, DIY Crafts

I did buy some extra cardboard inserts, because I was packaging 4-5 vinyl LP's in each container. Worked well. Had fragile labels. Good, safe way to send through USPS.

These are excellent cardboard pieces Very strong, durable

This was perfect for what I used it for. Wrapping Sewing fabric around it for storage :)

Very sturdy and protects excellent when shipping my vinyl records

I ordered two packs. One was very straight and one was pretty warped. I have to place weights on the warped one for a few days. I am still debating returning it. They are sturdy and thin which is great for my soundproofing with foam work.

My sheets arrived in perfect condition. No bent corners or gouges. They worked very well for my project. The only thing to be aware of is that they are about half the thickness of standard cardboard. Ultimately this wasn’t an issue for me since I was already layering multiple sheets for my project but wanted to make others aware. A single sheet is quite thin

I needed 4 x 6 carboard to wrap tapes around. The only ones that I could find were either too heavy, too flimsy or too expensive. These sheets are perfect. Each sheet is cut into fourths so the package of 25 gives me 100 of my fillers. You do need a box cutter or that sort of thing for cutting. I don't thing these sheets are compatible for cutting anything too complicated (like cutting with scissors) but they are great if you are just wanting to cut them to a different size.

The boards themselves are great. They are thin enough for my project and sturdy enough to last. My only concern was the packaging. It came in a plastic bag inside a envelope package. The problem was that the stack of boards were bent. So the boards are slanted and I have to bend them like hell to try and get them to flatten out. I can still use them, but I probably wouldn't purchase them again.