3M Bumpon Protective Product SJ5302 is a self-adhesive rubber bumper designed to be used as feet, stops and spacers. The hemispherical shape provides excellent sound damping and energy absorption.3M Bumpon Protective Products are self-adhesive rubber bumpers designed to be used as feet, stops and spacers. They feature a plasticizer-free, urethane composition which exhibits easy application with 3M Pressure Sensitive Adhesives and high skid-resistance. The use of 3M Bumpon Protective Products help to reduce vibrations and noise and won't scratch surfaces.