[SIZE] Pad diameter: 5'' (125mm), Density: Soft. [GREAT VALUE] 8-hole design on each pad prevents dust from clogging sander machine allowing easy cleaning to prolong tool life. Suitable for uneven surface polishing such as wooden bowls, protection against damage to backing pad, convenient replacement. [HOOK and LOOP]One side is HOOK face, can stick with sanding discs, another side is LOOP face, can stick with sanding pads. [HIGH QUALITY] Constructed of soft durable sponge which allows the technician to follow contours and get closer to edges while minimizing burn through. Adds support to disc pad for improved abrasive cut and closer edge sanding. [BUY WITH CONFIDENCE]If any of our products fail to meet your expectations, please get in touch with us and we will try our best to resolve the issue.