Check the listing for details. Hocus Pocus Sanderson Comfortable Reusable Face Mask wPocket PM 2.5Filter Carbon. Color: Multicolor, Condition: Open box. Listed at 4.99 USD. Comfortable Reusable Face Mask w/Pocket PM 2.5 Filter Carbon Activated Adjustable. This designed mask comes with 2 PM 2.5 filters and fits adults. It has 2 layers of fabric filter; which, are a polyester/cotton blend. It comes with a pocket for the PM 2.5 filter or any filter that you insert. The filter optimal use is 40 hours of wear time and then replace. The cloth masks are best washable in cold water and air dry to maintain vibrant colors!! Size is approximately 5 1/2 inches tall by 8 inches wide with adjustable ear straps. Please check out the detailed photographs and ask any questions prior to bidding! They will be shipped same day as able! SAVE A BUNCH ON SHIPPING IF BUYING MORE THAN 1 OF MY MASKS!