NWT Grace Pantry Fine Porcelain Storage Bowl with Vented Lid. The Plastic Lid has a Silicone Gasket. Freezer Safe, Microwave Safe And Dishwasher Safe Ideal For Leftovers, Lunch, Dinner, Picnics, Parties And More. Store Your Favorite Side Dishes Plastic Lid with Silicone gasket - and a Dial Vent. The Dial is for remembering which day the food was put into the bowl and the Vent is for when using in the Microwave. Dishwasher Safe - Both The Bowl And The Lid are Dishwasher Safe. Microwave Safe - Both The Bowl And The Lid Are Microwave Safe - But The Lid Vent Must Be Open See photos for measurements