This is an egg cooker that easily makes hard-boiled eggs in the microwave, capable of cooking 3 eggs at a time. - Brand: AKEBONO - Product Name: Egg Cooker - Cooking Time: 7 minutes + 7 minutes - How to Use: Simply heat in the microwave - Capacity: 3 eggs Used 2 or 3 times and stored at home. It's still in great condition and can be used for a long time. I don't have many opportunities to use it, so I'm offering it to someone who might want it. No instruction manual included. Instructions are written on the box, and if you still don't understand, you can easily find information online. Thank you for your understanding. Please purchase if you don't mind that it has been stored at home! Thank you for looking.