“Sidebyside ® 2 in one” Masks

are developed to improve wearing of medical or FFP2 (US: N95) masks. The wearer of “Sidebyside ® 2 in one” Masks will benefit from the comfort of this product.It meets the legal requirements in Germany, provided that a medical or FFP2 mask is inserted inside.

Purpose of use:

A well-fitting mask can clearly reduce the risk of infection. Our “Sidebyside ® 2 in one” improves the fitting of the FFP2 (US: N95).

While surgical masks only protect those around you and not yourself (one-way-protection), FFP2 masks filter the droplets and aerosols and offer personal protection for their wearer (two-way-protection).

“Sidebyside ® 2 in one”  gives us a better sense of life, a better lifestyle, wearable in (wide field of marketing options):

  • retail trade
  • Supermarket
  • Schools, universities
  • Buses, public transportation in general
  • trains and airplanes
  • sports activities, audience
  • culture, theatres, concerts, cinemas, etc.



  • Better fit: Better fitting to the face and adjustable ear loops prevent the entry of unfiltered air more reliably.
  • The reduced leakage (less unfiltered breathing air) protects more against aerosols.
  • Easy handling very suitable for children and the elderly.
  • Low breathing resistance compared to the sole use of FFP2 or surgical masks, although these and thus their protection are further deposited.
  • Surgical masks are allowed (in Germany) for students up to the age of 12 – but these have poor leakage, so the SidebySde 2 in one contributes extremely to the reduction. This was tested at Leibniz Universität Hannover.
  • Reusable – washable up to 100 times at 60°C.
  • Glasses no longer fog up when handled correctly.
  • No skin irritation – thanks to the eco material.
  • Mask protection, the FFP2 mask on the inside can be used longer.
  • Cooling properties when worn.
  • Very well suited for neurodermatitis and other skin intolerances.
  • Vegan -No biocides/silver ions or other chemical substances.
  • High quality shell fabric according to Oekotex Standard https://www.oeko-tex.com/en
  • UPF 50+ (UV protected)
  • Fast drying
  • Adjustable earloops
  • Produced according to European Standard CWA 17553:2020 CEN
  • All steps are scientific accompanied through Leibniz University, Hannover, Lower Saxony, Germany, Institute for Multiphase Processes (IMP)

For further details  please feel free to contact us.

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