[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]: Lids are designed to keep ice cream containers securely sealed, helping prevent leaks or spills. The seal also helps protect against freezer odors, keeping your ice cream, yogurt, sorbet, or other frozen foods tasting fresh. [4 PINT CONTAINERS AND LIDS]: Designed to work with NC500 series Ninja Creami Deluxe ice cream makers. Having extra containers offers convenience, allowing you to prepare a variety of frozen treats for family and friends. [REUSE & ECO-FRIENDLY]: Both containers and lids are BPA-free and dishwasher safe for easy cleaning. Durable and shatterproof, they can be reused to make a variety of frozen desserts. [NOTE]: Compatible with Ninja Creami ice cream makers NC500 Series. Not designed to function with other bl models.