Face Mask with Zipper Washable Mask with Filter Pocket .
Face mask with zipper, made of pure cotton. Two layers of quality cotton, with elastic ear loops, perfect for your comfort. There is a slot for a filter, so you can add your carbon filter for a better protection or any other layer. The catch with this brand new mask is that it has a ZIPPER that you can open for when you have to drink something through a straw
Adult's Size - 7 in/18cm wide x 4in/10cm (expandable up to 6.5 in/17cm)
The mask does NOT come with a filter.