[Gregski]

then I placed the new foam on top of that black backing and boy it fit like a glove

then I had the idea of using the pillow case technique in order to slip on the cover, you know you turn it inside out, align the two corners and fold it over back on itself, but there was no need, there was also no need for the slippery garbage bag trick as the cover is just loose enough to slip right over the foam snug but effortless