6 Pack Replacement Gaskets Compatible with Magic Bullet Blender Made from food grade Silicone Rubber. Size OD 80.6mm ID 75.5mm thickness 3.2mm. To make sure it will fit your blender Check the Diameter of the base of the blender it should be less than 3.5 inches. May Not fit some Blenders.If your Original Magic Bullet Blender came with Black Gaskets, please note these will not FIt Will Be shipped in a white envelope without tracking no. via USPS First Class. With a Black stamp saying "Your Amazon Order."Or maybe shipped in a Zip Lock Bag. This will not fit Baby Bullet, This will not fit Nutri Bullet Diameter 4" or the New generation Magic Bullet ( Also sold as Nutri Bullet) This is an after market product and not an OEM product.We make no claims that these are original Magic Bullet products. We are not associated with Homeland Housewares LLC.