Specifically Constructed for D/A Polishers Reticulated (Open Cell) Foam Helps Disperse Heat & Reduce Pad Softening Perfectly Balanced to Reduce Vibration & Bogging Down Recessed Backing Protects from Backing Plate Edges Supreme Tear Resistance Extreme Durability for Extended Use & Multiple Washings Dimensions: 7” Diameter, 1.25” Thickness