[CREAT DELUXE FROZEN TREATS]: Compatible with Ninja Creami Deluxe NC501 and NC500 series ice cream makers. Simply blend your favorite frozen pints right in the containers and seal with the leakproof lids. Ensures optimal performance and provides great value for ice cream loving families. [LEAKPROOF LIDS]: Our lids are designed to keep ice cream containers securely sealed, helping prevent leaks or spills. The lid helps protect against freezer odors, keeping your ice cream, yogurt, sorbet, or other frozen foods tasting fresh. [4 PINTS CONTAINERS AND LIDS]: Compatible with NC500 series Ninja Creami Deluxe ice cream makers. Having 4 extra pint containers is convenient, allowing you to make more frozen treats for family or friends. [REUSE & ECO-FRIENDLY]: Both containers and lids are BPA-free and dishwasher safe for easy cleaning after multiple uses. They are shatterproof and reusable for making a variety of frozen treats. [NOTE]: Compatible with Ninja Creami ice cream makers NC500 Series. These items will not properly function with other blender models.