Material---It is made of stainless steel, with these strong and sharp stainless steel cutting wires, you can cut the eggs easily, smoothly, and it will not cause the loose cutting lines. Easy to operate--What you need to do is to put the egg cutter on the egg and press to fix it before cutting, you can separate the egg cover, then remove the rest of the egg shell easily by hand Eggshell Opener---Eggshell Cutter has a simple appearance. It is portable and easy to store. Fits most sizes of eggs. Put the egg into the slot of the egg opener, press the switch hard, let the teeth buckle the egg, and turn the egg opener. Great Gift for any Home Cook--Looking for a gift for a friend or family member who likes soft and hard boiled eggs? If so, this clever kitchen gadget is the perfect choice. It will save you a lot of time and effort in the kitchen.