Presta Foam Compounding Pad White. Designed with a recessed cup that prevents the backing plate from coming in contact with the buffing surface. Specifications for Presta White Foam Compounding Pad: Manufacturer: Presta Color: White Features of Presta White Foam Compounding Pad Single-sided hook and looppad 8.5" in diameter 1-1/2" thick pure premium foam Package Contents: Presta White Foam Compounding Pad Presta 890171: Foam Compounding Pad White