This dust mask can be used when cycling and other outdoor activities to prevent you from dust， sand， bionfly and even sunshine.

Features:
Advanced Nylon mesh， better ventilation and suppleness， more portable. ?
Ergonomics Design make you feel comfortable.
Replaceable filters and exhalation valves to keep the inside of the mask well ventilated.
Fastener Tape design. ?

Specifications:
Fabric: Nylon
Applicable gender: Unisex
Color: Black / Blue / Orange (optional)
Item Weight: 40g / 1.42oz
Package Size: 16 * 20cm / 6.3 * 7.9in
Package Weight: 50g / 1.8oz ?

Package List:
1 * Face mask ?

Note: Please allow 1-2cm (0.4-0.8") differences due to manual measurement， thanks.