3MScotch Rubber Pad Bumpers: 0.3 in. thick x 0.81 in. width (Black) / tapered square shape

3M Scotch SJ Series Bumpon Self-Adhesive Bumpers: 3/10 in. thick x 0.81 in. wide (Black)

Rubber band Scotchfil™ (L x W) 1.5 m x 38 mm Black Butyl rubber Scotchfil 3M

3M Scotch 2228 Rubber Mastic Electrical Tape 5.1 cm x 3 m Black Self-Fusing Rubber Tape for Insulating and Sealing - 1 Roll