Hot/Cold Trigger Point Massage Ball Designed to release muscle tension in hard to reach places, the Gaiam Restore Hot/Cold TriggerPoint Massage Ball stimulates blood flow while massaging sore, tired muscles. Unique hot/cold technology allows you to heat the ball in warm water (or freeze it in the freezer) for hot or cold relief that lasts up to 30 minutes. Raised bumps provide a deeper massage that releases tight muscles to provide relief. Hot or Cold? This amazing Hot/Cold Massage Ball allows you to choose which type of therapy is good for you: Hot or Cold. Just simply place the ball in freezer for a few minutes until cold or submerge ball in warm water until warm and you are ready to go! About Gaiam Gaiam was created as a lifestyle company with the vision that, given a choice, people would choose a lifestyle that is healthy and life enhancing, for themselves, their families and the Earth. The Gaiam lifestyle is a vote for individual health as well as the future sustainability of the Earth"s resources. Gaiam strives to provide customers with alternatives to traditional products by offering natural, or healthy versions that compare with the style, quality and price of conventional products. Gaiam"s goal is to become the trusted source and unifying brand for Lifestyle of Health and Sustainability (LOHAS) participants. They understand that the opportunity to affect people"s lives with information and products is both a privilege and a responsibility. Gaiam believes in the concept of Conscious Commerce, the practice of making purchasing decisions based on personal values and beliefs. It takes into consideration all the aspects of our lives and the impact we have upon the planet. Research indicates this concept appeals to approximately 50 million people in the U.S. alone. Gaiam"s strategy in delivering the distinctive quality for which they are known is to partner with experts in health/wellness, eco-living and personal development to develop proprietary products that meet our customers" needs with meaningful solutions. The name GAIAM is a fusion of the words Gaia (the name of Mother Earth from the Minoan civilization in ancient Crete), and I am reminds us that we are all interconnected with the Earth, the air and water, and very much a part of this living system that sustains us all. Features/Specifications Hold/Cot Ball relieves muscle tensionStimulates circulationAllows for pinpointing areas of stressPlace in warm water or in freezerHot/Cold Relief for 30 minutes