You could also use a normal towel or pillow.
done the towel rolled up..... Tired of messing with it over time,after moving from gigs only thing touching the drum is the tape......You could also use a normal towel or pillow.
One towel rolled up, one strip of gaffa tape to attach towel to inside of shell.
Job done, cost negligible if it's an old towel that your dearly beloved is insisiting gets thrown out.
Personally, If there were no EQ pads, I'd go with a pillow so I could sleep more comfortably in the Van, or a blanket for those mornings where it's cold in the park.