Miracle Workers Set :
 
5 Goggles Set.
Set includes one of each of the following:
Alpha-Delta
Alpha-Omega
Mu-Delta
Mu-Upsilon
Upsilon-Omega
 
Disposable "take home" filtering glasses. 
 
 
Fits most adults with an adjustable ear piece.   
 
Made with plastic gel filters.  Glasses can't be sterilized.  Only clean with a dry cloth.
 
Manufactured by OPTOMA TT ERS©.