Includes 1 x reusable face-covering - 100% mulberry silk THREE LAYERS | 100% 6A GRADE SILK | filter pocket | adjustable elastic earloops | nose wire.  Made from highest quality 6A grade silk, cool and soft to the skin. Filter pocket fit PM 2.5 filter perfectly. Bendable nose wire to prevent fog. Chin dart for a perfect fit. Cutesass silk is the highest grade (6A) long fiber mulberry silk. Due to hygiene reasons, this product is not returnable or exchangeable. For more information please email info@cutesass.com.  Disclaimer: CuteSass© reusable face covering is not medical-grade. This face covering is not designed to prevent or protect from any form of risk to a person's health or safety, illness, or disease (or otherwise). Warnings: Do not use this face-covering on: young children under age 2; any person who has trouble breathing; and any person who is unconscious, incapacitated, or otherwise unable to remove the mask without assistance.