Based on the principle of Thermotherapy, it helps to relieve various ailments. Made with natural, non-toxic materials, the Thermo Comfort Strap relieves tension and aches. - Hot: it improves blood circulation and relaxes muscles. Remove the bead bag from the cover and place it in the microwave for 30 to 120 seconds. Put the bag back in the cover and place it on the desired area. - Cold: it helps to reduce inflammation and swelling to relieve pain. Place the belt in the refrigerator for at least 6 hours, then place it on the area to be relieved. The clay and activated charcoal beads are enriched with lavender, providing a soothing and relaxing effect. Product Benefits: - Soothes neck tension. - Relieves aches and muscle pain. - Reduces localized stiffness. - Natural materials: Clay beads, Activated charcoal beads. - Washable cover at 30°C.