Glad Medium Entree, 25 oz, Square, Plastic, Clear, Lid Type: Interlocking, Seal Tight, Lid Color: Blue, Lid Material: PlasticStackable, ideally portioned and freezer-safe, these containers are a meal prepper’s dreamGlad containers won’t melt or warp in the microwaveThe plastic in Glad products does not contain any bisphenol AMake the most of the space you have with interlocking lidsSeal tight lids – lock in the good stuff and keep the elements outThe ideal size to hold a simple sandwich