The Dave Pelz Greenmaker 6' x 12' Putting Green System is a premium, completely packaged "Do-It-Yourself" putting green allowing golfers of all ages and skill levels to play and practice their short games. Easy to assemble for both indoor and outdoor use, golfers can hone their skills in the privacy of their own homes, backyards, or virtually anywhere there is a flat surface.Product Features - 2 hole locations - can comfortably hold 1 golfer. Easy assembly - assembles in minutes. Use indoors or out - can be used virtually anywhere. Holds chip shots - realistic fringe to practice chip shots. Offers true ball-roll - with a speed of '9' - '9.5' on speedmeter. Adjustable contours - additional inserts allow unlimited configurations. Dimensions - 6' x 12' Modular Putting Green.