Blendin 2 Pack 18 Oz Short Cup & Lip Rings, Compatible with Nutribullet Blender
It also has two screw on comfort Lip Rings. It does NOT fit Nutribullet RX or Original Magic Bullet. 2 NutriBullet 18 OZ Short Cup. Fits Nutribullet 600W and 900W NB-101B only.