Possible Visor for Mjolnir Spartan Armor

[Loner161]

Just Curious, would these be okay to use for the helmet visor?

 

[crackhead09]

They work very well. People have been using these for over 10 years!

 

[Loner161]

Good to know! alot cheaper than the ones I was planning on buying

 

[Mobius1ac]

where would you buy these? or what are they called?