3M™ Bumpon™ Resilient Rollstock SJ5832 Brown R30FL, 9.0 in x 72 yds, 1/Case. 3M™ Bumpon™ Resilient Rollstock SJ5832 is a self-adhesive rubber bumper designed to be used as feet, stops and spacers. The rollstock format is excellent for die-cut shapes with various thickness requirements.