Disposable face mask, Size : S, M, L

3 ply surgical medical disposable face mask adult & child 50pcs per pack ,3 ply surgical medical disposable face mask adult & child 50pcs per pack,how to choose the right face mask to protect yourself,why surgical masks have a blue and white side?,proper use of surgical mask • Disposable Face Mask is made from non woven & soft cloth. • Double layer mask offering excellent bacterial filtration efficiency. • 3 Ply Disposable Face Mask is Individually packed & sterile.