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. BREATHABLE AND MACHINE-WASHABLE – The breathable cotton cover is skin-friendly and can be easily washed (at 30°C) for optimal hygiene thanks to its removable control. 3 TEMPERATURE LEVELS – The HK35 offers three electronically regulated temperature settings that can be easily adjusted with the control, for consistent and controllable warmth. HIGH QUALITY - True to German high standards, the quality material is certified according to the Standard 100 by OEKO-TEX to be kind to even the most sensitive skin. AUTOMATIC SWITCH-OFF - Our heat pad is equipped with an automatic switch-off function; the HK35 turns off approximately 90 minutes after switching it on for peace of mind in case you fall asleep