They are made of 3 layers which serve different purposes. The outer hydrophobic non-woven layer is intended to repel water, blood, and body fluids. The middle melt-blown layer which is the key piece of a surgical mask is designed as the filter to stop germs from entering or exiting the mask. Lastly, the inner soft absorbent non-woven layer is intended to absorb water, sweat, and saliva. These masks are the most affordable and recommended to wear if you are feeling unwell and or around people that might be unwell. It is prudent also to wear when you are likely to be in close proximity to people. These are disposable masks and typically worn between 3 to 8hours per day. Tampa Bay Buccaneers

According to the statement, the non-standardized facemasks present "particular safety risks," and also more frequently fail the certification tests from the company (NOCSAE) which approves equipment for the NFL. All helmets and facemasks have to be certified by this organization, though it's unclear if the facemasks that did make it through last season actually failed or not.

People wearing face masks wait in line to shop for groceries Saturday in metro Phoenix. Arizona Gov. Doug Ducey ordered residents of the state to stay at home through April 30 to slow the spread of the new coronavirus. (AP Photo/Matt York)
ARIZONA — Gov. Doug Ducey has issued a series of executive orders aimed at protecting Arizonans from the new coronavirus, which public health officials say is widespread across the state and sickened 151 more people from Tuesday to Wednesday, bringing the total to 2,726.

Steelers unravel, watch perfect season slip away
Spillane, who has one interception and two sacks this season, was already playing in place of starting inside linebacker Devin Bush, who tore his ACL against the Browns in Week 6.Arizona Cardinals

The Steelers lost two more key members of their defense. Inside linebacker Robert Spillane suffered an apparent left knee injury in the third quarter, and though his return was listed as questionable, Spillane did not reenter the game. Avery Williamson, whom the team acquired in a trade with the Jets just before the deadline, replaced him. In the fourth quarter, cornerback Joe Haden sustained a possible concussion -- especially problematic with the Steelers already down a starting cornerback with Steve Nelson (knee) inactive.Dallas Cowboys

Murray said the bad plays and losses haven't lingered. He has been able to move past them his entire football life, he said.Chicago Bears

Bryant was among one of the first players on the field at MT Bank on Tuesday night, catching passes from quarterback Trace McSorley around 6 p.m.