General use---Black face masks, size for adult: 6.9 x 3.7 inch / 17.5 x 9.5 cm. Safe and reliable 3-ply structure, the middle filter layer is polypropylene spunbonded fabric (melt-blown), >95%
Disposable masks---Experts advice wearing it for up to 4 hours. Should be Disposed off after use for your safety, and avoid secondary pollution. When the face mask is damaged, deformed, wet, or other abnormal conditions, the mask should be replaced immediately.
FEATURE---Breathable and comfortable disposable earloop mask is made of a 3-ply construction. The lightweight masks are designed to provide comfort and easy breathing. Masks bulk which is for Adult, Men, Women, Indoor, Outdoor Use.
Factory direct sale--- Total 50 pcs. Disposable Face Mask with adjustable memory nose clip and comfortable earloops. All face masks are also packed in the same sealed bag.
Customer Service---If you have any questions, please feel free to contact the seller! We provide free return and exchange service!