How to use: Just remove the mask from the packaging bag, remove the protective film layer on both sides of the protective sheet, and wear it directly to your head. Specification: Size: 32 x 22.5cm Material: PET + Sponge Quantity: 5PCS,10PCS,20PCS,50PCS Usage Range: Suitable for use in working environments that require face protection. Notes: 1. After removing the protective film from the protective mask, do not touch the protective sheet as much as possible during handling, so as not to affect the visual field due to handwriting. 2. The protective mask is an auxiliary use, and it needs to cooperate with a mask to provide effective protection. 3. This protective mask is designed as a disposable product, please do not reuse it. 4. Do not clean the mask or use any detergent to clean the protective mask, otherwise, the anti-fog layer will be damaged. 5. The protective mask is recommended to be used on the same day. After use or contaminated products, the mask should be discarded as a medical pollutant. 6. This protective mask is not recommended for multiple people. Note: As the face shield resources are very precious, and the recent logistics and flight may be delayed, in order to ensure that you can receive our package smoothly, we hope you can know about the possibility of the delay. Because we will not be able to cancel the order for you after shipping.