The CRYOFORCE CF-1 Cold Therapy System Knee Ice Machine is designed for pain relief and is made of durable TPU material in a square shape. Its blue color and compact size make it easy to use and store. This reusable unit from the trusted brand CRYOFORCE provides targeted cold therapy for the knee, making it a convenient and effective solution for managing pain and inflammation. With dimensions of 13 inches in length and width, this cold therapy system is a practical addition to any home health care routine.