Marshal Fitness 3 Piece Set Jelly Grip Ball Mf-0394-3

Made of 100% thermoplastic rubber (TPR), hypoallergenic, nontoxic, reusable, recyclable, and phthalate and latex fee. Our stress relief balls are lightweight, durable, and safe for kids and adults alike. Wash with warm soapy water to clean.

It suits for primary strength training and rehabilitation training. Develop and strengthen grip, hands, fingers, wrists. Relieve stress and muscle tension from computer work. Prevents stiffness, increases flexibility, and reduces joint pain.