The GoSports 6 ft x 4 ft golf net extension was designed by golfers, for golfers to provide a must-have practice tool add-on.The net allows golfers to practice full shots with real golf balls for the most realistic practice experience on their existing net without worry of deterioration. The net is also very popular for use with launch monitors to really take your practice to the next level so you can swing as hard as you want! The net can be used indoors or outdoors on any 7 ft or 10 ft golf net as long as you have a large enough space to safely swing a club. GoSports is a growing force in the golf training market and the net is backed by a 6 month warranty so you can buy with complete confidence. Beware of other golf equipment that looks similar, but are made by foreign companies who have never even played a real round of golf.