About Jonty Neoprene Face Mask with Activated Carbon Filter: Material is soft, comfortable to wear, feel is good, dustproof and thermal effect is very good. It is made according to the person face design and has aluminum sheet fixed to the nose department, to keep it from sliding down.
Size: One size fit all for men and women
Adjustable Velcro strap and Ventilation holes on mouth
Carbon filter to keep exhaust emissions out and Replaceable and washable filter