YAMANMAN Breathable Washable and Reusable Comfy Cotton Adjustable Cotton for Men & Women

Amazon.com Price: $4 (as of 22/06/2021 01:14 PST- Details)

Washable Reusable Cotton with Adjustable Ear Loops
Comfortable: The Cotton is skin-friendly, washable and re-use, comfortable
Flexible: The nose clip is attached to the top of the cotton, and the elastic ear lanyard is provided with an adjustment ring, which can be adjusted according to your actual shape