Pure2Improve Training Mirror 11 in. × 10 in. The Pure2Improve putting mirrors provides the ideal feedback and visual aids to improve your alignment of the shoulders and body and even your eye/head movement during the stroke. Use the grid for a perfect stroke, use tees in the slots (not included) to create drills for stroke improvement. Can be used in/outdoors also Ideal in combination with other Pure2Improve golf training tools.