A lot of containers claim to be leak proof, but liquid still manages to slip out. This actually is leak proof. Highly recommend this for you food storage needs as we've had one for over two years and we can't tell a difference between it and the one we got more recently. These hold up really well over time.
We LOVE this new small lunch tiffin. My daughter enjoys the clips and it fits perfect in her lunch box. I am going to purchase a few in different sizes. This is the perfect option for a kids pack lunch.