Fruit.com has 5-Pack Fruit of the Loom Reusable Cotton Face Masks (Kids or Adults) for $1.25 – wait for popup for offer for 25% off if you sign up for email (email takes about 5 min to arrive) = $0.94. Add 2 or more for free shipping.
Note: If you do not get the pop-up, open in incognito browser and it should pop up.