Fab International Replacement Gasket Compatible with Waring Pro Blender Gasket. (AFTER MARKET PART) Made From Food Grade Rubber. Outside Diameter 75 mm approx x Inside Diameter 56 mm approx x 3 mm thickness approximately. Compatible with Original design, will NOT fit Waring Jar 3509 All orders will be shipped from USA via USPS First Class with a tracking number.Buyer pays for return shipping for all returns.all orders due to lack of forwarding address or incomplete address , the sale will be treated as complete. This is an After Market Item and not an Original Equipment Manufactured item, All the Brand names and trademarks are used for Reference Purpose only. This product is not endorsed or sponsored by Waring Pro or any other Original Equipment Manufacturer, nor there is any intent to imply that this is an original equipment part.