This lacrosse ball offers a wide range of uses and benefits, from self-massage; myofascial release; deep tissue and trigger point massage, all of these work together to help relieve tired & sore muscles tension, promoting relaxation, and reducing tightness in the body knots. 2.51″ in diameter, you can take it easily with you to the office or in your gym bag. Perfect for self-massage: manual massager, simply lean on the floor, against a wall or table, the pressure is totally up to you, you can press harder for a deeper massage or just lightly, depending on how you like to have your massage. whether a light massage or deep tissue massage.