21" Putting Mirror: * Improve your putting accuracy and consistency with the 21" Putting Mirror * Offers a large surface, for a full view of your head and shoulder alignment over the ball and 10 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 * Durable 3/16" mirror comes with a protective carry bag for storage between sessions