Replacement Outer Bowl Lid for Ninja NC500 Series Ice Cream Maker NC501NC501HNC501HBL 1. This replacement outer bowl lid is designed exclusively for Ninja NC500 Series Ice Cream Makers (NC501, NC501H, NC501HBL and more), providing a leakproof seal and durable performance to enhance your ice cream-making experience. 2. The lid tightly locks onto the outer bowl with a precision-fit design, preventing spills during mixing and freezing. 3. Easily open or close the lid with a single button press, allowing quick access to your ice cream without struggling with clamps or screws. 4. The lid is resistant to stains and odors, and can be safely washed by hand or in a dishwasher for hassle-free maintenance. 5. Broad Model Compatibility: For Ninja NC500, NC500C, NC501, NC501C, NC501H, NC501HBL, NC501HRD, NC501HG, NC501CO ice cream makers. Always verify your model number before purchase.