Walmart offers the EtcBuys Unisex Lightweight Multipurpose Face Mask
in 10 colors (Blue pictured) for $3.75
. Opt for in-store pickup
to dodge the $5.99 shipping charge. That's the lowest price we could find by $11. Made of neoprene and thermal material, it features ventilation and comes in one-size-fits-most.
Need more than one? It's available in a 3-pack
in four color combinations for $11.03
. (That's $3.68 per mask.)