Wash with soap and warm water before using. Your orders will be shipped in a regular business envelope without a Tracking no. with "Your Amazon Order" printed on it. Made from food grade silicone rubber, May not fit some models. Color may vary and may not be exactly same as the item picture. Outside diameter 2.67 inch, or 68 mm, Inside diameter 1.9 inch or 48 mm, thickness 1/16 inch or 2.5 mm Approximately. All measurements to be used as a buying guide only. You can also estimate the size using the grid to ascertain whether it will work for your particular blender. 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 Cuisinart or any other Original Equipment Manufacturer, nor there is any intent to imply that this is an original equipment part. Additional Details ------------------------------ Brand: Fab International Color: Gray Label: Star Rubber Products, Goregaon, Mumbai India. Manufacturer: Star Rubber Products, Goregaon, Mumbai India. Package quantity: 4 Publisher: Star Rubber Products, Goregaon, Mumbai India. Studio: Star Rubber Products, Goregaon, Mumbai India. EAN: 0722532284634