Product Descripion Features 100% brand new. Material: >Made of food-grade silicone rubber COMPATIBLE: >Compatible with /fit for Nutribullet 600/900 Series. >NOT compatible with or fit for any Magic Bullet, Nutribullet Lean, Nutri Bullet RX, Baby bullet, NutriBullet Model Nr. NB 101B (Model NB 1018). BENEFIT TO BLENDER: >Made of food-grade silicone rubber, Better protect the mixer and seal it, replace the old seal and keep the lid clean and watertight. It can be used for a long time. The rubber sealing O-Ring gasket is a necessary blender accessory in case of emergency. Package Included: >4Pcs x Rubber Seal Rin