three-layer protective flat english packaging with fusing cloth civil disposable mask facemask1

purchase instructions: a box of 15 pieces, please place an order according to the multiple of 15. all masks are qualified products with complete qualifications. you can contact customer service to check the qualifications. this product is a one-time consumption product. in order to prevent cross infection, refund is made before shipment, and refund is not made after shipment; the cost of raw materials varies from time to time, and the price varies. please place an order with caution if there is