"Simple and fast. This microwavable egg shaped container makes perfect soft or hard boiled eggs in 10 minutes or less. Holds up to 4 eggs. 1. Fill egg boiler with 1 1/2 Cups water, then place eggs into metal tray. 2. Snap top and bottom together. Cooking times vary with microwave oven wattage. For soft eggs, cook for 5 minutes (1000 watts), 6 minutes (800 watts), and 7 minutes (600 watts). for medium egg hardness, cook for 6 minutes (1000 watts), 7 minutes (800 watts), and 8 minutes (600 watts). for hard eggs, cook for 8 minutes (1000 watts), 9 minutes (800 watts), and 10 minutes (600 watts). 3. Allow boiler to cool 2 minutes before removing lid. Run cold water over eggs to stop further cooking. care: 1. Before initial use and after subsequent uses, hand wash with warm, soapy water. 2. Expect microwaving times to vary slightly on different microwaves. 3. Beware of hot steam when removing covers from food cooked in the microwave. 4. Dishwasher use is not recommended, as it may discolor or warp Product." Easy to use: Holds up to 4 perfect hard or soft-boiled eggs securely with an interior aluminum shelf High quality material: Made with aluminum and durable plastic, featuring a sleek design for easy and fast operation Adjustable: Boil eggs to your ideal softness, with cooking times of 4-6 minutes for soft to medium boiled and up to 8 minutes for hard-boiled Convenient and safe: Egg shape design with a reasonable vent hole to prevent burns, and a knob designed to prevent falling out or exploding Easy cleanup: No need for stove top pots or boiling water, and no piercing required