KR Strikeforce Donuts round shammy is 6.75" in diameter.  Comes with TPC rubber molded embossed design.  Removes oil from the surface of the bowling ball for better ball performance.

• Round Shammy is 6.75' in diameter
• Rubber molded embossed design/logos
• Highly effective oil removing pad
• Restores tacky feel for better ball performance"

https://www.p65warnings.ca.gov/