Use this face cover when you're out supporting the Las Vegas Raiders at games or just going about your day. It's perfect for fans who want to show their team spirit. The outer is made of 88% polyester and 12% elastane, with a cotton lining. It has stretchable elastic straps for a comfortable fit. There's an interior pocket for a replaceable filter (filter not included). Remember, it's not a medical device and should not be used in a healthcare setting. Wash it after each use as recommended.