· A common replacement part, this seal sits between the top of the blade and the bottom of the jar.· Strict quality control standards to Build and test. Not Genuine, but the quality is better than the OEM. Made by Premium Quality food grade rubber, superior toughness, not easy to deformation, convenient to clean. Perfect match and Good Choice for Direct replacement of original parts, easy installation, can replace juicer or blender original gasket.· It will fit glass or plastic jars.· Includes 4 O-ring Gaskets.· Non-toxic Food Grade Rubber