This silk mask is so popular because of its lightweight breathable fabric. Our face protection covering is made of 100% Charmeuse silk, the highest quality fabric available, which is very comfortable against the skin. You will not find a more comfortable mask than our quality silk face shield. Now that masks are an everyday part of life, you want to make sure that you get the most comfortable mask possible. This mask is so comfortable it's the perfect kids face mask, too. - Silk is resistant to dust mites, mold and mildew; therefore silk is the best material for people who suffer from allergies.