Reusable Dust Proof Mask With 3 Filters Set:10-Pack It also includes a key-ring

It also includes a key-ring to help prevent it from getting lost

Main Metal: Silver Plating

Package Includes: 1 Set x 3D World Architecture Puzzles

40GHz processor

Reusable Dust Proof Mask With 3 Filters Set:10-Pack It also includes a key-ringPrevents from dust, smoke, bacteria, viruses, and much more with a 95% filtration for cleaner and easier breathing. Features: Superior activated carbon fabric technology prevents from dust, bacterias, chemical and biological impurities. Outer layer made of high quality neoprene making it soft and comfortable to wear 2 exhalation valves for easy breathing 95% filtration rate Size of mask: 30 x 15 cm (adjustable velcro) Adjustable aluminum nose clip