FAB INTERNATIONAL 2 Pack Replacement Gasket Compatible with Skinny Girl, Bella Rocket Extract Pro Blender 700 Watt Motor. To ensure that the gasket you purchase fits your Blender, Please check all the Pictures that the Diameter of your Blender Blade or the Transparent Cup as shown in the Pictures Matches, to confirm that the gasket will fit. OD 3 7/8"or 100 mm x 3 5/8" or 92 mm x 1/4" or 5 mm Thickness approx. Made from food grade Silicone Rubber. Will NOT fit Bella Cucina, Will NOT fit Bella personal Sports blender. This is an after market product and not an OEM product.We make no claims that these are original products. These gaskets have a square edge as compared to the rounded edges of the original gasket and are guaranteed to work.