Features 1. Breathable Memory Cotton: Select slow rebound memory cotton, which is non-toxic, mild, and odorless, ensuring both neck support and good softness! At the same time, comfortable fabrics can maintain air circulation, keeping your back cool and comfortable. 2. Ergonomic Design: This cervical traction device is designed to naturally support your head, neck, and shoulders. When you lie on it, it will match the curvature of the spine to provide the correct posture. Level 3 Strength: Soft and Strong Level 3 Strength is freely controlled, with 2 sets of circular massage heads, maintaining a balanced speed and moderate strength, circulating and kneading muscles, massaging and kneading to eliminate fatigue 4. Three Levels Of Temperature: Low, medium, and high levels of controllable temperature regulation transmit warmth to your muscles, promote blood circulation, and help alleviate muscle soreness. Simply press the button to easily turn on/off the heating function. 5. Easy To Use: It is easy to use when lying comfortably, and the operation is simple. Wherever you go, always carry this spine assisted massage pillow with you. It can be used on soft surfaces, such as sofas or beds. Specification Material: Dacron Color: Grey, Black Size: 42 x 22 x 11 cm Weight: 110 g Package Include: 1x Massage Pillow