The Massage Ball by Epiony is a versatile and effective tool that is perfect for relieving tension and soothing sore muscles. Its innovative cold gel technology, combined with a 360-degree rotating stainless steel ball, helps to reduce inflammation, alleviate pain, and promote relaxation. With the ability to hold a temperature, hot or cold, for up to 40 minutes, this must-have tool is easy to use and clean, thanks to its soft polymer handle and stainless steel ball.The Massage Ball can be used on yourself to unwind after a long day or soothe sore muscles or can be used on your pets, such as horses, to alleviate any tension they may have. This is a great addition to any self-care routine!For Heat Therapy:Immerse the stainless-steel roller ball into hot water (not boiling)For Cold Therapy:Place the whole unit into the freezer or cold water if a freezer is not available360-degree rotating stainless steel ballInnovate cold gel technology Helps to reduce inflammation, alleviate pain, soothe tight muscles and reduce stressUse on people, horses, dogs and other petsLength: 18.5cmStainless steel ball: 6.5cmWeight: 210gColour: Blue