50 pieces per box 

Mask box size: 7.2 x 3.8 x 2.9 inches.

Weight: 9 oz /box

For bulk pricing, it is minimum of 100 boxes or above. Please enter 100 boxes or above when you check out. 

Material: two layers of non-woven fabric + melt-blown fabric, a total of three layers

Mask Specifications: 17.5 × 9.3CM± 0.5 CM

Validity period: two years

Executive standard: GB 2626-2006

FDA registration no: 3015391081

Storage: The relative humidity should not exceed 80%, and the room should be well ventilated and free of corrosive gas, fireproof, moisture-proof, rodent-proof and insect-proof facilities.