Will be shipped in a regular business envelope via USPS First Class without a tracking no. with "Your Amazon Order" Printed on the envelope. Made from food grade Silicone Rubber, May not fit all the models, will not fit Baby Bullet or Magic Bullet APPROXIMATELY ID: 87mm/3.4in (appx.) OD: 99m/3.9in (appx.) Thickness: 6mm/0.23in (appx.), you can also estimate the size of the gasket from the grid for Item images and make sure whether the gaskets will fit or not before Buying. 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 Nutri Bullet , Homeland Housewares LLC or any other Original Equipment Manufacturer, nor there is any intent to imply that this is an original equipment part. Wash with soap and warm water before using. For all returns buyer pays for return shipping. Additional Details ------------------------------ Brand: Fab International 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: 0722532284771