AMSANA trade; Double Lacrosse Ball - Peanut Massage Ball - Works for upper back, neck, scapula and the thoracic spine - Mobility Wod Tool - Free Nylon bag GREAT QUALITY  These are approx 5 inches in length and 2.5 inches in diameter and are made of high quality rubber. They are firm, dense and have a wonderful finish which gives a very comfortable feel. COMES IN 5 COLORS - These balls come in four vibrant colors: orange, red, blue, green and yellow. Pick your favorite!! DOUBLE BALL - You dont need to tape two balls together anymore. Amsanas peanut massage ball delivers a double massage at once. REDUCES PAIN  Say good-bye to aching in your upper or lower back, stiff shoulders or knees. Discomfort in any of the pressure points in your body is relieved by massaging with these balls. Used in a number of acupressure therapies to deliver a calming massage and to increase tissue mobility. FREE NYLON CARRYING BAG  Storing your double ball is made simple with our lightweight nylon bag. The bag is also helpful when carrying the balls  no more searching for that little ball.