Health and Environmental Protection: Safe and durable resin material, anti-fouling and deodorant, easy to clean, made by high temperature standard process, even if it is cooked at high temperature, it will not release unhealthy substances. The color-changing indicator is designed using the thermal principle, so that the color-changing layer absorbs heat to show the degree of cooking. Its easy: You just put the egg cooking indicator in the boiling water with the egg, and as the center of the egg timer fades, theres a synchronized doneness inside the egg. When the color changes to your desired level, fish out the delicious hot spring, soft or hard boiled eggs. Ingenious Design: The special scratches on the bottom of the egg timer can effectively prevent slipping and will not damage the egg shell by sliding. The gradient layer is equipped with stepped English letters, allowing you to easily and intuitively grasp the rawness of the food. Easy to Store and Reuse: After using the egg boil timer, you can directly rinse it with cold water and dry it naturally in the corner (hand washing is the best), which can effectively reduce cracking and facilitate the next use. The egg timer is almost the same size as a regular egg, saving space and easy to store. Kitchen Cooking Artifact: A small and practical egg-boiling tool, which makes it easy for novices in the kitchen to experience the joy of cooking. If you have family or friends around who love to cook with eggs, an egg cooking indicator is sure to be a creative gift.