1. 1.Made of rubber material, superior toughness, not easy to deformation.2. 2.Better protection of the blender and play a role in sealing. It can be used for a long time.3. 3.Easy installation, can replace juicer or blender original gasket.4. 4.Flexible o-ring, convenient to clean. Washing it in the water and dry it up.5. 5.Necessary kitchen spare parts, in case of your urgent need. It's convenient for your home use.Specification:Features:1. Made of rubber material, superior toughness, not easy to deformation.2. Better protection of the blender and play a role in sealing. It can be used for a long time.3. Easy installation, can replace juicer or blender original gasket.4. Flexible o-ring, convenient to clean. Washing it in the water and dry it up.5. Necessary kitchen spare parts, in case of your urgent need. It's convenient for your home use. Specification:Condition: 100%brand newMaterial: RubberColor: WhiteDgear threaded: ReveeadedProduct fit for bullet onlyInstallation: ReplacementPosition in cross bladePower: 250wDiameter: 3.31 (8.4cm)Seal Ring Size: Height 3.3mm/0.13in Width 3.1mm/0.12in Outer Diameter 80mm/3.15in Inner Diameter 73.8mm/2.91in Package list:6 x seal ring/3 x seal ring Note:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard