Okuna Outpost Foam Sheets - High Density Cushioning Material - Toolbox Foam Inserts - Customizable Sheet Pack - 16 x 12 x 1 in, Pack of 2, Black

Dimensions are correct and corners are square. Correct material.On the one hand, that's the bare minimum expectation, but it's also all you're looking for.

good value, super easy to cut.

This is really a nice produce, I was going to use them for stamping, I used it twice and it wasn't hard enough for that. but I can use them else where, they are maybe more for packing things to ship so they won't get broke. I was disappointed for the texture not being hard for what I thought I could use it for. Nice product. durability easy to cut and can be functionality

I used this for a case that carries electronics and it was a perfect fit

Product provided what it advertised

This product is just what I was looking for.After a failed previous order of a similar product. This will be excellent.

They offgas a solid bit, but the did the job.

Good size to protect fragile items