The Merard TPB is a medium buff made of a bleach shirting material.  It's one-inch thick and available in four or six inch diameters. This watch polishing buff can be used in combination with Avivor as the first step in the finest polishing process for watch cases. It's also used with Luxor white for your more delicate white metal jewelry pieces like stainless steel, silver, white gold, and platinum.  You can find the TPB and all the great Merard buffs on Stuller.com.