The food containers with lids are designed with high quality silicone seals and 4 sturdy buckles to ensure airtight and leak-proof storage. Keep your food fresher for longer, and you don't have to worry about food spills or food smells leaking into your refrigerator. The plastic containers with lids are made of BPA-Free and food grade plastic material. All the containers are microwave safe, dishwasher safe and freezer safe. Lids cannot be put in the microwave. This food containers are made of transparent material, but you can also clearly see the food inside. The kitchen storage containers adopts a stackable and nestable design, which not only saves space but also allows for classified storage of food. You can easily stack food to fit in the refrigerator, prepare healthy meals with ease and keep your kitchen and cupboards tidy and organized. Suitable for meal prep, salads, jams, soups, grains, veggies, fruits and meats. Our plastic food storage containers with lids are also lightweight and easy to carry, making it an excellent picnic tool for enjoying food on the go.