Kinetic OSO Fresh 16-Piece Fresher Food Individual Container Set with Silver Science Technology Makes food last longer and stay fresher, Includes 8 containers with 8 lids Micro-sized silver particles infused into the containers protect against bacterial growth Keeps food fresher than any other brand Airtight locking system seals in flavor and reduces spoilage BPA-free, thick, and durable plastic (EPA registered and FDA approved)