Rubbermaid Glass Food Saver Storage Set 14 Pieces Sleek, crystal clear, tempered glass is safe for microwave and oven use and looks great on the table Features the Easy Find Lids organization system - lids snap to the bottom of the container and to each other to make finding the right lid quick and easy Bases and lids neatly nest inside each other for compact organization in your cabinets A built-in gasket creates a leak proof seal to keep foods fresher, longer Oven, microwave, dishwasher and freezer safe, Bases and Lids are BPA FREE