Replacement Gasket Compatible With Oster and Osterizer Blender (5) Made from food grade Silicone Rubber, May not fit some models. Outside diameter 2.5 inches or 66 mm, Inside diameter 2 inches or 50 mm, Thickness 1/32 inch or 2 mm. Approximately all measurement only to make a buying decision. This is an after market item and not an Original Equipment Manufactured item the all brand names and trademarks used for reference purpose only, this product is not endorsed or sponsored by Sunbeam Products Inc. or any other Original Equipment Manufacturer, nor there is any intent to imply that this is an original equipment part. These gasket will not fit Oster Myblend Blender.