Comfortable and Breathable: Please note that we ship form Virginia via USPS first class mail, who claims to deliver within 2-3 days. Our face protection covering is made of mulberry silk, the highest quality fabric available, which is incredibly comfortable against the skin. | Hypoallergenic: Being naturally resistant to dust mites, mould and mildew, therefore silk is the ideal material for those who suffer from allergies. | Excellent Craftsmanship With Filter Pocket: Each silk covering mask is hand-made. It is not intended for medical use. However, it is designed with a discreet interior filter pocket for optional filter inserts. It can provide same filtration and protection after you insert filters in it, plus sun protection, skin care, polen protection. | Fashionable Design: Our silk masks are an attention-grabber with their high-fashion, trendy designs. Our rich color options can go with any of your outfit. They are washable and reusable. The luxury feature of silk makes you look gorgeous. You can wear them for any occasions even in the office. They are such a perfect accessory for women. | Perfect for Summer Use: It's almost summer and temperatures are rising. The good insulation property of luxurious silk make our covering blissfully cooling. This is the ideal cover for breathing, so much better than cotton ones if you happen to try them.