The Tiger Ball 5.0 is a lightweight foam roller ball. It is great for travel, and perfect for bigger muscle groups, such as hips, glutes, back, and shoulders. The massage surface of the ball provides targeted muscle care and relief of minor muscle aches and soreness. Users can use their weight as leverage and let the tool do the work. The ball won't change shape despite the pressure or body weight. The Tiger ball has a 5-inch massage surface and can be used on the floor, chair, bed or wall.