Made from high quality resin, this rollerball is durable and safe for the skin, and contains no harmful chemicals that could harm or trigger an allergic reaction. It can be used on clothing or with massage oils and lotions. The massage ball rolls 360 degrees, making it easy to use. Glide easily in all directions you need. Get the benefits of a muscle rolling ball with the convenience of a non-slip grip. Promotes circulation and blood flow by controlling the pressure of your hands. Whether it's a light massage or deep tissue, rolling the ball helps relieve stress and gives you a great relaxing massage. There is a small opening at the bottom where you can use massage oils and lotions to help you massage better. Quantity over 3000 by Ocean. We will always be online.