KR Strikeforce Leather Shammy Shamrock The Strikeforce Leather Shammy Pads are made of top grade leather and are great for removing dirt and oil from your bowling ball so you never lose that perfect ball performance. The shammy pads will fill up with oil and residue after time. We do recommend hand washing them with a mild dish soap and letting air dry for best results.  Color: Shamrock Brand: KR Strikeforce Shammy dimensions are 8″ x 7.5″ Highly effective oil removing pad High density leather on both sides Restores tacky feel for better ball performance