... resin polishing disc. The back of the pads includes Velcro and no Velcro type.2. Wool pads are natural, environmental and non-pollution ... polishing liquid (cream, powder) to get better polishing effect.4. Wool pads are mainly used for polishing in automobile beauty, glass instruments ... edge and some are not. The pads stick to polishing disc.2. HSP118-02 roping wool pad:Sizes 3'',4'',5'',6 ...