4 layer KN95 face mask with certification, Non woven fabric, Double layer filter highly effective particles face mask, Pack of 5 The 23-minute

The 23-minute

to each targeted body part

To reuse after heating

It is also good for lower back pain relief as you just turn the belt around

4 layer KN95 face mask with certification, Non woven fabric, Double layer filter highly effective particles face mask, Pack of 5 The 23-minuteKN95 Masks FDA Approved whitelist masks from an authorized manufacturer. PPE face masks for filtering particulate, viruses, and microbes. Our KN95 Face Mask is certified to standards similar to the EU FFP2 certification and the US N95 certified mask. Ear loop design for comfort and ease of use. Integrated flexible nose bridge helps ensure proper fit. KN95 standard means these masks are effective against 95 percent of particles with a mass median