This ProKeeper reusable silicone softbox is divided to hold a total of 2 cups. Store different foods on each side! Made of FDA food contact save 100% silicone and the container is contact, oven safe, freezer proof, microwavable, leak proof. Features a patented leak resistant zipper seal. Containers are stackable and great for lunches, snacks, frozen food, microwaving, baking or on-the-go. BPA, PVC and phthalate free. Microwave, freezer and dishwasher safe