A comfortable mask with 3D cut, adjustable earloop, headband, and nose clip ;
Premium Quality: Uncompromised Comfort & Protection. The MFF mask is our bestselling mask.
The mask has passed the ASTM F3502-21 Standard Specification for Barrier Face Coverings. The filtration efficiency of the mask is over 86% even after 50 washes, based on 70+/-20nm particles.
Test Report please see blow:
ASTM F3502-21 part 1
ASTM F3502-21 part 2
Washing instruction: https://3smask.com/g_q/ In how to “How to take care of the 3S Mask” section.
XL, M, L
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Nice to know how efficient these are and to be able to say that the design was made by an indigenous artist
Fantastic Mask! It fits really well and is so comfortable to wear. Finally, I have found a mask that not only works but fits! Will be ordering more and the collection of not so great masks will go into a box to be used for tasks such as gardening and cleaning. This mask is special and I look foward to showing it off when I have appointments and are outside of the home for shopping etc.
The mask seems very good quality and fits well (M size) and the head strap seems like it will alleviate any issues with long term wear. I look forward to trying it my next time in public, and hope it looks and feels as nice after washing.