1. Read the instructions carefully before use to make sure the package is not damaged;
2. Open the package, stretch the elastic to the size of your head, and place the blindfold over your ears;
3. Adjust the eye glasses to fit the head and face;
Precautions, warnings and prompt contents:
1. This product can only be used once.
The lens is coated with anti-fog coating, acid and alkali corrosion is strictly prohibited;
2. Please read the usage before use and make sure to wear it correctly;
3. After use, please treat according to local medical waste or environmental protection requirements. Do not throw away at will to prevent environmental pollution;
Features: