We supply adult medical use face mask, USD0.45/pc for adult medical use mask, must pay them by cash. The Chinese standard of this medical use face mask : YY/T 0969-2013, with which BFE >=95% Adult size 17.5 x 9.5cm FOB Xiamen, China Minimum quantity 100,000 pcs per order, 50 pcs/box, 40 box/carton The carton size is 52x39.5x34cm Delivery is about 2 weeks after receipt of payment. We have governmen s permission to produce such items We have CE and FDA certifications and export authority.