3M™ Bumpon™ Resilient Rollstock SJ5616 Clear A20FL, 4.5 in x 36 yds, 1/Case. 3M™ Bumpon™ Resilient Rollstock SJ5616 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.