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Lab Test Validates SwaddleDesigns Mask Effectiveness

SwaddleDesigns Masks are designed by Lynette Damir, RN. SwaddleDesigns masks are fitted to minimize leakage around the nose, on the side of the face, and under the chin. Using the most-current research, SwaddleDesigns masks yield effective filtration of aerosolized droplets by using 3 layers of tightly woven 180 thread count cotton fabric compared to many other commonly used masks. SwaddleDesigns face masks are comfortable, breathable, effective, with secure fit.

SwaddleDesigns Face Mask Efficacy Quartet against aerosolized droplets


Please watch this video to see the lab test using a cough emulator, green laser, and aerosolized droplets to test the efficacy of our face mask compared to other masks. Our mask is the last one shown and worth the wait to see.

It shows that cotton knit masks are less effective at stopping droplets, and that the SwaddleDesigns mask is the most effective of all shown.


In June 2020, Manhar Dhanak, Ph.D., an engineering professor at Florida Atlantic University, and his team developed a Cough Emulator lab configuration to assess the efficacy of cloth masks. The FAU team published a study that shows any mask is better than no mask, but some masks are much better at stopping expelled droplets.

In July 2020, Dhanak and team tested SwaddleDesigns 3-layer Cotton Mask and demonstrated its superior performance in minimizing aerosolized droplet leakage from the mask and providing excellent filtration.

Their results were consistent with the Wake Forest study that concluded tightly woven 180 thread count cotton fabric and cotton flannel were recommended fabrics to filter particles and droplets. The WF study highlighted that masks made using cotton knit fabric, open weaves and polyester fleece fabrics are less effective. “We do not want people to think that any piece of cloth is good enough,” summarized Dr. Scott Segal, M.D., Wake Forest Baptist chair of anesthesiology, who conceived of the idea.

Clearly, our masks do a better job at stopping aerosolized droplets than many other masks.


The CDC recommends cloth masks to be worn to stop the spread and transmission of the COVID19 virus. While we are thankful that the vaccine rollout is underway, it is clear that masks will be an important part of our lives during 2021 and until the vaccines have been widely distributed and the virus has been successfully stopped.

We are thankful for the work completed by Manhar Dhanak, Ph.D., and his team. Their research will help the public, health professionals, healthcare workers, school administrators, elected officials, and consumers, to make better and safer choices. We are all in this together. Let's do this!

Stay Safe. Keep Calm and Mask On.

An easy test you can do at home to check your mask is the Mask vs. Candle test that Bill Nye suggests. If you can easily blow out a candle while wearing a mask, your mask is not very effective and you should get a better mask. See how our masks perform against a cotton knit mask below.