X-Chef Airtight Food Storage Containers &ndash; 10 Pieces PREMIUM MATERIALThe X-Chef Food Containers is completely BPA free, good for health, no harmful chemical released during microwave or freezer. NO LEAK & AIRTIGHT: The silicone seals on each lid guarantee that you can store and pack food without worrying about spills. This keeps your food fresh and healthy for a long time and free from harmful microorganisms. A locking lid makes it airtight and easy to lock and seal, completing the set. MULTI-FUNCTION: The X-Chef Food Storage Container has wide application. Use it to store your left -overs, make-ahead meals and on-the-go lunches, etc. Different sizes available, ensuring fit size for each kind you want to storage with. DurabilityThe seal is made of durable silicone, air and water tight, long lasting for daily use; the container body is made of fine silicone, anti-corrosive, crash-proof, great help for modern kitchen. This X-Chef Storage Container is Freezer, Dishwasher safe (top rack). Not for use in ovens, under broilers or on stove-top. BEST VALUE: These 10pcs Food Storage would be a great help for you in the kitchen. The package includes 5pcs Rectangular and 5 Square, enough sizes for multiple storage needs.