Attractive food boxes come with smooth, clear lids to enhance food presentation. One-piece package with easy-to-close lids adds speed and ease of use to the operation. Stackable design helps conserve space. Anti-fog lids make boxes an ideal choice for both hot and cold use. Durable leak guard closure provides security for grab-and-go applications. Microwaveable food boxes allow for ease of reheating. Medium Snack Box. Food Container Type: Hinged Lid Container; Material(s): PS - Polystyrene; Food Container Material Type: Plastic; Capacity (Volume): 18 oz.