3M™ Bumpon™ Resilient Rollstock SJ5916, Black A20FL, 4.5 In x 36 Yd, 1 Roll/Case. 3M™ Bumpon™ Resilient Rollstock SJ5916 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.