Glass storage containers are FDA approved, BPA free, reusable, and safe (dishwasher, microwave, freezer, and refrigerator) is a healthy option for any household having clear transparent bodies to enjoy delicious food items with your loved ones. These multifunctional, reusable glass containers come in handy for a variety of kitchen food storage needs. Airtight, snap-on, locking lids with non-toxic, food-grade color. This set is entirely BPA-free, leakproof, and portable for travel. The possibilities for what these lockable containers can do are endless.