Real putting feeling:The friction coefficient is the same as the putting greenWith a stimp speed of 10-11, practice like you're on a real green this office putter set offers the same green speeds youll find in the golf course.AUTO BALL-RETURN:his indoor golf game's auto golf ball return connects with magnets, so its super easy to assemble With the indoor putting green kids and adults alike can focus entirely on the gameDIRECTIONAL LINES:The guidelines at 2,4,6,8 ft. in this golf training equipment will allow you to work on exact shots. With this indoor putting green for adults, you'll improve your distance, alignment, posture in no time Golf Gifts: This Golf Mini Putting mat is the perfect gift for any golf lover, amateur or experienced golfer, men, women, kids.