Advantages - Our gaskets seal are made of food grade silicone material, complete seal with cup, safe, not easy to leak and long service life. Superior blade is sharper and keep relatively quiet at work, reduce the impact of noise on you. All of them are BPA free. Multipurpose - The blade is great for chopping, grating, mixing and blending food. Such as milkshakes, cheeses, meats, smoothies, sorbets, Freeze drinks and homemade baby food. Easy to Use and Clean - The gasket is pre-installed in the replacement blade, you can directly install it on a blender without additional operation. Cleaning made easy, you just wash the blade with soap and flowing water. Compatibility - Blade blender replacement compatible with nutribullet blender 600 w and nutribullet pro blender 900 w. Work with the following models: NB-101B / NB-101S / NB-201. But not compatible with nutribullet lean, rx, magic bullet, ninja blenders. Note: The rubber gasket in bottom blade maybe loosened during transportation. Before using the bottom blade, please check the rubber gasket. Material: Plastic+Stainless Steel colour: grey Package Contents: 1 x Tool holder 2 x Sealing ring Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.