Designed with a secure slide-and-seal bar, the reusable Silicone Food Storage Bag from Appetito creates and airtight, leakproof bag. An eco-friendly alternative to single-use plastic zip-lock bags, this storage bag is made from quality BPA-Free food-grade silicone. Ideal for lunch, snacks, leftovers, steaming vegetables and much more. This versatile storage bag is safe for use in the fridge, freezer, microwave, and oven. Dishwasher safe.