[CREAT DELUXE FROZEN TREATS]: Compatible with Ninja Creami Deluxe NC501 and NC500 series ice cream makers. Simply blend your favorite frozen pints in the containers and seal with the leakproof lids. Ensures optimal performance and offers great value for ice cream loving families. [LEAKPROOF LIDS]: Lids are designed to tightly seal ice cream containers, helping prevent leaks or spills. The seal helps protect against freezer odors, keeping your ice cream, yogurt, sorbet, or other frozen foods tasting fresh. [4 PINT CONTAINERS AND LIDS]: Designed for use with NC500 series Ninja Creami Deluxe ice cream makers. Includes 4 pint containers and lids, providing convenience for making larger batches or 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.