Whether you prefer hot or cold therapy for your sore muscles, the balls in this kit can deliver it. Each PVC ball is filled with a compound that retains heat or cold, so you can relieve aches and pains in hard-working muscles, while the smooth and textured designs allow for a customized massage.

• Helps muscles in the back, shoulders, glutes and feet release tension.
• Smooth and textured therapy balls provide a customized massage.
• Balls are filled with a unique compound to safely hold heat or cold.
• Made of PVC for durability.
• Comes with 2 therapy balls.
• Backed by the manufacturer's lifetime limited warranty.