It's a nice baby shower gift but I bought this for myself. Before you put the pop up lid make sure to unlock them so there's air to help it close easily then pop-to-lock to securr! I use them every night for my little one and put it on the bedside table so that we don't have to stand up and go to the kitchen to get warm milk. Hot water last long. Very useful although its too bulky in the bag, I will still recommend for moms especially if you love outdoors!