Nutri Bullet Gasket (4 Pack) (Grey) Made from food grade silicone rubber, May not fit some models. There may be some color variations and item color may not be exactly same as shown in item images. Outside Diameter 4 inches or 100 mm, Inside Diameter 3.75 inches or 95 mm thickness 0.135 Inch or 3.5 mm all measurements are gross approximation you can also estimate the size of the gasket from the grid of product images. Will Not fit Original Magic Bullet, Will not fit Nutri Bullet Rx, will not fit Babay Bullet. 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 Homeland Housewares or any other Original Equipment Manufacturer, nor there is any intent to imply that this is an original equipment part. Wash Gasket with Soap and water before using.