3 Pack Replacement Gasket Compatible with Cooks Power Blender 10 Speed (AFTER MARKET PART) Made from food grade Silicone Rubber. OD 65 mm/2.564 inches ID 50 mm/1.977 inches Thickness 2.00 mm/ .0083 inches approximately 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 Cooks or any other Original Equipment Manufacturer, nor there is any intent to imply that this is an original equipment part. All orders will be shipped from USA via USPS First Class with a tracking number.