【No more spills】 - Leakproof 4-hinge locking system forms an airtight, watertight seal between container and lid. You can carry soups and sauces in your bag without worrying about spills. 【Versatile and long-lasting】 - Arabest Containers are refrigerator, freezer, microwave safe (base only, NOT lid, under 5 min, under 700 Watt,*for at least half-full container). Plus these containers are stain-resistant and dishwasher safe, making cleaning a breeze. 【Perfect for portion sizing】 - designed with you in mind. This 50 piece set includes 24 containers with 24 lids Food Storage Containers, sticky labels and a chalk pen are great for kitchen & pantry organization and storage. 【Your well-being is our priority】 - The plastic contains no BPA, phthalates or other toxins, guaranteeing fresh and healthy meals for your family. 【Glass Food Storage Containers for Everything】 - Aside from the obvious fact that glass meal prep containers are healthier for you and your food, you can also go from freezer to oven without breaking, with a variety of shapes and sizes to fit your purpose. What a Idea!