- Set of 2 ergonomic double massage balls, designed for deep self-massage and fascia training. - Their shape with a central groove makes it easy to massage the neck and back, adapting to the spine. - Made of high-quality EPP material, safe and pleasant to the touch. - Relieve muscle tension, improve blood circulation, and promote active metabolism. - Ideal for massaging reflex zones, connective tissues, and trigger points before and after physical activity. - Allow you to stretch the fascia, enhance body lines, and promote fat burning after yoga, pilates, or fitness training. - Recommended for use on the back, calves, hands, shoulders, and legs.