Features: 1.The snap-on lids provide an airtight, leak-proof seal to preserve freshness and prevent food from spilling out. 2.Multiple applications, usable at home, in canteen or restaurant.Good for packing snacks, lunch or storing left-overs in refrigerator. 3.Eco-friendly, free of chemicals, BPA-free, no odor absorption or taste retention, can be reused and recycled to reduce waste. 4.Made of stainless steel which is resistant to corrosion, extremely durable, provide long-term strength and use for years.Sturdy material is practically unbreakable. 5.Great for preserving food in the refrigerator or freezer. If you want to warm up the food, simply remove the lid and place in a toaster or conventional oven for easy heating. Also dishwasher safe, easy to clean. Specifications: Item Type: Food ContainerMaterial: Stainless SteelSize : As in pictureProduct Process: Electrolysis Process Package List:4Pcs Food Container