Instituto Técnico Español de Limpieza, ITEL

The fabric of the masks that we manufacture and sell is duly tested and approved by ITEL. The technical studies carried out on the fabric ensure a filtration efficiency higher than 94% with aerosols and particles.

You can read and / or download the full report from here:

Estudios técnicos de la tela FFP2 de el Reino del Zapato.

After the studies carried out, ITEL certifies that the fabric used, Twill Canigo 35% Cotton - 65% PES, admits 110 washes at a temperature not higher than 60ºC and ironing at no more than 150ºC.

You can read and / or download the full certificate from here:

Garantía ITEL de la tela usada por el Reino del Zapato