I got these panels to replace 12"x12" wedge type around my desk.
The black wedge I glued to drywall around a decade. They were a mess. Couldn't vac them, they'd just fall apart.
BUT- they did fit together good unlike these.
I glued these panels to pegboard - 2'x4' -screwed to wall. One run is 2' x 8' other 2' x 5'
Wasn't going to glue them to the drywall-learned that was not good.
Nice to have clean foam but it would have been better if they would have matched up to each other.
Could trim to make them- none of the edges cut to pattern and I needed them full size to fit nice.
Thought I'd mention. May be others that like and expect things to be...right.
Oh...burgundy is a nice change from the black. They offer blue too. Not sure why shades/colors limited but oh well.