Package includes:3 x Rubber Gasket; 6 x Shock Pad; 1 x Blue Brush; 1 x removal hook.Product Specifications: Item Type: Extractor Replacement Parts Rubber Gaskets O Ring Material: Silicone Rubber Color: Grey Product Size: 3.9 in (Outside Diameter) x 3.43 in ( Inside Diameter) x 0.235 in (Lip) Compatibility: The Gasket Replacement seal ring is compatible with Nutribullet Pro 900w and 600w blender Series. Model number: NB-201, NB9-1301, NB-101b Fit for 900w extractor blade and cups 18oz, 24oz, 32oz and the flip top to go lids. Please confirm your blender model before order, only the models listed exactly as above is compatible. NOT Compatible with: NOT COMPATIBLE with NutriBullet RX (1700 watts), NutriBullet Lean (1200 watts), Baby Bullet, 250W Magic Bullet (MBR-1101) and Nutri Ninja blenders. Usage: The blender replacement parts are recommended to be replaced every 6 months for optimal performance. If your Blender getting louder than before or leaking when it works, it means that you need a new replacement parts. The Silicone Rubber O-ring are flexible, easy to replace and clean. Just replace the old seal ring to keep your bottom blade clean and leakproof.Purchase of Confidence: Every component of the blade is subjected to strict inspection before delivery to ensure the stable quality of products. If any of our products fail to meet your expectations, please don't hesitate to drop us an email and we will give you a satisfactory solution. We strive to give our customers good purchasing experiences as possible as we can.