The ROTEC Hot/Cold Packs are used for hot as well as cold therapy. This dual applicability makes them a strong alternative to ordinary heating pillows and ice packs. The versatile, reusable packs deliver therapy effectively and economically. Even below -20°C it remains soft. The Hot/Cold Pack can be bent in any angle, allowing maximum coverage of joint and muscle. All Hot/Cold Packs can be heated (microwave) and can be frozen (freezer). The temperature holds for approximately 30 minutes.