Clarinet Cleaning Swab Pack, 2 Dark Blue Felt Clarinet Cleaning Cloths + BONUS Cork Grease Dark Blue Bb Clarinet Felt Cleaning Swabs 2-pack RS Berkeley Bb Felt Clarinet Swab Is a thick felt swab that absorbs moisture, cleans the inside of your instrument, helps to prevent cracks in the wood, and lengthens the life of clarinet pads. This inexpensive swab is sufficient for daily use and comes in a variety of felt colors. Premium Cork Grease RS Berkeley premium Cork Grease Perfect Accessory package for the Clarinet player.