The hollow-out mask is made of liquid silicone, which boasts extremely high softness and elasticity. When in contact with the skin, it feels comfortable without causing a sense of pressure or frictional damage to the skin. It can withstand different temperature environments such as cold compresses and hot compresses, is not easy to deform or get damaged due to temperature changes, and can meet various nursing needs. In addition, it has excellent waterproof and dustproof performance, reaching a high protection level such as IP68.