Bowling shammy It's the "Black Widow Urethane". It is 16cm in diameter. It is unused, but please refrain from purchasing if you are sensitive about it being stored at home. We offer discounts for simultaneous purchases. Please consult us in advance before purchasing. * -200 yen for 2 items purchased simultaneously, -500 yen for 3 items purchased simultaneously, further discounts negotiable. Shipping will be via Yu-Packet Post mini. Thank you.