LIGHT KIT - six filters, two each of P10, P15 and P20 
 
OffEye Optical Filters - Shoot with Both Eyes Open!
Stop Closing One Eye to Aim
First Aiming Aid that Doesn't Block Your Vision
Fits All Types of Eye Protection - Removable - Reusable
 
Correct Cross Dominant or Middle Dominant Vision
You See Two Targets, Ghost Targets or Two Barrels
Because Your Non-Aiming Eye (OFFEYE) is Too Strong.
 
Even Athletes Without Eye Dominance Problems Will
Sharpen Their Vision With a Small Amount of Filtering