DISPOSABLE DUST MASK DISPOSABLE DUST MASK Model:BD-001Material: made of needle punched cotton &moulded under high temperatureElasic belt ,Adjust nosepieceWeight available :100g,120g,150g,160g,180g,200gFunction :effective in filtration low resistanceQuality standard :EN149Packing :50pcs each small box ,40boxes each cartonG.W/N.W:12/10KGCarton size:58.5*24.5*36cm