fine-Toned 2 X Lacrosse Balls - Plus Trigger Point Massage Instructions (Blue Green) Great for trigger point therapy - giving relief from tight muscle knots - more durable and comfortable will withstand heavy use and retain shape For Pilates, Yoga, Massage Therapy, and Physical Therapy, used by professionals and for home use FREE COMPLIMENTARY EXERCISE CHART Used for stability exercises and myofascial release and alignment. You can use a lacrosse ball when watching TV, sitting at your desk, or even while lying on your living room floor! COLOUR : BLUE and GREEN