The NEW Pearl Swirl Stress Balls - Dissolve stress in mesmerizing swirls. The Pearl Swirl Stress Ball offers users a calming visual effect when the ball is squeezed or manipulated with the pearly swirling water inside. The soothing and hypnotic visual element distinguishes it and makes it appealing to those seeking stress relief combined with a captivating sensory experience. The swirl water pattern on the inside is 100% Non-Toxic, BPA Free, and Odorless. Easy to clean when it gets dirty with water and a towel and Durable construction for long-lasting use! A truly unique custom stress reliever.