The 5829 Classics Rectangular Plastic Airtight Food Storage Containers With Leak Proof Locking Lid Set Of 3 Ensures Maximum Freshness With Its Airtight Seal, Keeping Out Moisture, Fungus, Bacteria, Bugs, And Other Contaminants. Made From Bpa-Free, Non-Toxic, And Food-Grade Materials, These Containers Are Safe For Your Family And The Environment. With Microwave And Dishwasher Safe Properties, The Set Offers Convenience And Supreme Quality At Cost-Effective Prices. Its Space-Saving Design And Stackable Shape Add Extra Functionality, Solving Your Food Storage Problems With Style And Efficiency.