✅ 360° Ergo-Smart Flatback Shape reduces the pressure on your neck. Extra height on the two sides to reinforce support. ✅ Skin Friendly Fabrics which offer you perfect super soft feeling. ✅ Pressure Sensitive Memory Foam Pillow which supports your neck and helps to relieve muscular tensions. ✅ Ultra-Compact Travel Pouch which allows you to reduce the pillow size in half and keep it clean. ✅ To activate heat patch: Snap the metal disk inside. The liquid will turn solid while heating up instantly. Insert the patch into the pillow pocket. To reuse heat patch: Place it into boiling water for 5 minutes, or until the gel returns to its clear liquid state. Remove from water and let it cool down completely. Unique wellness products all designed in Paris. 360° Ergo-Smart Flatback Shape reduces the pressure on your neck. Extra height on the two sides to reinforce the support of your neck. Skin Friendly Fabrics which offer you the perfect super soft feeling. Pressure Sensitive Memory Foam Pillow which supports your neck and helps to relieve muscular tensions. Heat Patch to ease your neck tension. Ultra-Compact Travel Pouch which allows you to reduce the pillow size in half and keep it clean. To activate heat patch : Snap the metal disk inside. The liquid will turn solid while heating up instantly. Insert the patch into the pillow pocket. To reuse heat patch : Place it into boiling water for 5 minutes, or until the gel returns to its clear liquid state. Remove from water and let it cool down completely.