Our unhealthy lifestyles or routines due to the pandemic, being stuck at home increased the length of time we are on our phone. The constant use of phones without rest really harms not only our eyes, but interrupts our ability to concentrate on other activities or situations. Therefore, this phone case is designed to prevent longer use of the phone, by stinging the user's palms after the surface is melted and pins appear due to the temperature between the phone and palm. This product is highly recommended for people with lack of self-control, or parents who want to protect their children from being addicted. The package and catalogs explain about this phone case in detail.