Improve your putting accuracy and consistency with the Odyssey Putting Mirror, and reinforce correct postition of eyes/head over the golf ball, as well as promoting proper alignment and swing path. It offers a large mirror surface, for a full view of your head and shoulder alignment over the ball, and 8 optional putting pegs to serve as a path guide, exit gate and backstroke control. Depending on how you set the pegs, you can practice a square or arcing putting path for left or right handed use. The durable 3/16 Inch mirror comes with a protective carry bag for storage between sessions. ODYSSEY PUTTING MIRROR FEATURES: Mirror is 12 Inches x 7 Inches with both arcing and straight target linesExit gate and backstroke control featuresPortable and fits into bag8 Alignment pegs