THERAPEUTIC WARMTH – Warming heat pad can help you unwind and ease aches and pains – perfect for those who suffer from arthritis, joint stiffness, muscle tension, and stomach cramps 3 TEMPERATURE LEVELS – The HK25 is ideal for back, stomach or neck pain. You can choose from three electronically regulated temperature levels that can be easily adjusted with the removable control SAFETY - The heat pad is equipped with a patented SAFETY SYSTEM. This electronic technology prevents overheating over its entire surface thanks to the automatic shutdown in case of failure MACHINE-WASHABLE COVER - For easy cleaning and excellent hygiene, the heating pad's cotton cover can be machine washed at 40°C HIGH QUALITY - True to German high standards, the high-quality cotton cover is certified according to the Standard 100 by OEKO-TEX so it is kind to even the most sensitive skin