GLASSIC MASK Product name: cotton mask (non-medical mask) Product specifications: one size Main ingredients: cotton fabric (except accessories) Safety level: Class B (direct skin contact) 1. dustproof 2.waterproof 3.comfortable Precautions This product can be used multiple times and can be cleaned; it does not have the protection against toxic gases; those with skin aller gies, please use it with caution
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