I’ve had a few of these for a couple months now and I have to say, they are AMAZING! I’ve stopped using ziploc bags entirely. These are superior in EVERY way. Easy to use, easy to clean, spill proof, secure, study, and obviously much better for the environment. People always ask me about them when I use them for my lunch at work, so a couple people from my office have bought them and started using them too! Highly recommend!