Premium Material – Double layer of breathable premium 100% USA satin cotton. Water Repellent – Outside surface of the mask has water repellent attribute. Prevention of large droplet aerosols and splashes coming into contact with the mucous membranes of the mouth and nose. Hygiene Function & Odor Management – Inside cotton mask has sanitized function. Prevent the formation of bacterial and fungi. Also, this feature forms a sponge like structure. This integrated odor-catchers attract and neutralize odors. 3D Design & Unisex – 3D Design Shape. Makes it comfortable while wearing the masks. Made of double elastic loops. Design to fit most of the facial structures. Reusable & Sustainability – Washable and reusable up to 50 times without losing its main features. One of the simplest ways to be eco-friendly and lower your environmental impact is to switch to reusable mask rather than disposable mask.