How to make a homemade protective mask

The rector of the Czech Technical University in Prague shared on the Internet how to make a plastic mask at home in a simple way.

Vojtěch Petráček, rector of CTU in Prague and nuclear physicist, shared the simple instructions on how to make a homemade “anti-virus” mask. You only need a PET bottle. The Czech Republic seems to be running out of supplies, so this homemade design may help some people.


  • Two liter plastic bottle.
  • Window sealant (optional).
  • Elastic bands.
  • Paper napkins.
  • The scissors.


In addition to the mask, he also designed a filter model that could be made at home for immediate use.

According to Vojtěch, the instructions are simple: cut an empty 2 liter PET bottle as shown below and seal the inside of the sections with window sealer for convenience. Then make the ear closures by passing through the holes of the PET rubber band and glue it to seal.

Finally, insert the filter cartridge. You can do this with a few layers of paper towels or napkins.

According to Petráček, the mask is relatively comfortable and, moreover, he believes that if people had it, it would reduce the possibility that the new coronavirus is not transmitted as easily.

A Simple Solution Like This Can Help Reduce Infections. The filter can be changed and the whole mask is disinfected with alcoholHe explained.

Rector is just trying to help businesses when masks can’t be boughtSaid Lucie Orgoníková, Chancellor of CTU for the news.

In addition to the mask instructions, the CTU also helps with this crisis produce disinfectants. It supplies them to the integrated health system (IZS) hl. from Prague.

Today it is difficult to obtain the basic raw material, which is 96% ethanol. Now provided by the Prague Crisis Management Source»Describes Orgoníková.

And they are not the only ones, given the lack of material, in the Philippines they also make their homemade masks out of plastic bottles. This is how they are made:

Protective visor with bottle.

Another proposal to be able to make an emergency protective mask with a 2 liter plastic bottle.

Not sure if it will be practical, but for emergency situations or people who do not have access to medical supplies, it may be an option.

Remember, the best way to fight the coronavirus is to stay at home. If you have to go outside, protect yourself and wash your hands with soap and water.

How to make a protective visor.

Another idea that has spread on the internet to make a protective visor with the transparent plastic of filing cabinets. In the video, this healthcare company explains it to you: