The lid being made of silicone not plastic like most freezer tray lids means its not only safer its also soft and bendable and will keep its shape at all times Its easy to remove when frozen and easy to clip back on when refreezing Not only can be used as the baby food freezer tray it is also perfect for baking foods making ice cube tray making egg bites storing the kids snack or used as a leftover food freezer tray for marinades yogurt juice dips soups sauces etc Our baby food containers tray will continue to serve you and your babys changing needsIts oven safe so you can even use it to bake cupcakes and muffins Its easy to treat your baby to a variety of healthy homemade meals with the aid of this convenient container Just fill each cup with your little diners favorite sweet or savory foods then pop the tray into the freezer