75*100mm Rectangle Soft Sponge Interface Pad Damping Pad for Sander Backing Pad Abrasive tools Accessories - Hook and Loop
https://www.vogueparade.com/shopping/EN/1428/1/32885581613/75100mm-rectangle-soft-sponge-interface-pad-damping-pad-for-sander-backing-pad-abrasive-tools-accessories-hook-and-loop//