EASY TO USE - The changes color to indicate when the eggs are soft, medium or hard boiled. Simply place the egg timer with the eggs in the water. Wait until the desired hardness is displayed. Take out the eggs and enjoy your perfect egg. RECYCLEABLE - The packaging of the egg timer is made exclusively of recyclable material. In addition, a contribution to the Green Dot ensures that the packaging material is disposed of conscientiously. BEHAPS LIKE AN EGG - The cooking aid changes color when exposed to heat. So it reacts to heat and not to time. This means that the egg cooker behaves like an egg in the pot and you achieve first-class results. NO WORRY - timer does not contain harmful substances such as BPA and meets all safety standards. In addition, the egg timer is food-safe for cooking and suitable for use in the kitchen.