Pyrex 7210-NLC Rectangle Blue 3 Cup Vented No Leak Lid for 7210 Dish Rubber Gasket Ensures an Airtight Seal During Food Storage Non-porous surface does not absorb food odors, flavors or stains Top-Mounted Vent Allows for More Efficient Heating in the Microwave 100% BPA-free plastic cover, Replacement for the 7210-PC Lid Fridge, Freezer, Microwave and Dishwasher safe (Do not use in oven)