Featuring a unique texture, the SKLZ Targeted Massage Ball is the ideal firmness to help stimulate circulation and target large muscle groups through a deep tissue compression massage. The 5” diameter massage aid makes it ideal for travel. Whether you’re at home, at the gym, or even on-the-go, the Targeted Massage Ball helps you roll through and relieve the toughest knots. Water resistant and easy to clean, this massage ball is a must-have for everyone looking release tight muscles.