Meals-to-Go Lunch Box Containers with Lids - BPA Free Plastic &ndash; Stackable, Reusable, Microwave Safe - Bento Lunch Box Sets &ndash; 10 Pack (28 ounce container with lid) Heavy Gauge Microwaveable Product - Withstands microwave temperatures up to 250? F Dishwasher Safe for product reusability Patented Lock-Tight Lid System to help prevent messy leaks & spills Contoured Bases & Lids of these containers make stacking, storing, & transporting meals a breeze Clear Dome Lids for enhanced presentation & easy identification of prepared foods