Liquid-filled gel ball changes colors when squeezed. Great for stress relief, physical therapy and exercise. Gel balls are non-toxic and are intended for adults or for general use by consumers of all ages. Shipping lead time: 35 to 45 days by Ocean. Our material is TPR, with GEL inside, also can be filled water/EVA/LED/Glitter/other small things inside. There are four regular sizes, 1 3/4″, 2 3/16″, 2 3/8″ and 2 9/16″. Our default size is 2 3/8″ for this item.
