NATURAL LATEX PILLOW: Latex Pillow is a comfortable cervical pillow constructed with natural latex from the rubber tree. Resilient cell structure prevents flattening and returns the pillow to its original form after each night’s rest. MASSAGE PARTICLES: Butterfly SPA latex pillow, promote blood circulation by massaging acupuncture points on the neck and face. Achieve relieve fatigue and anxiety, improve sleep quality. It takes 3-5 days to get used to the massage particle latex pillow for the first time, you will feel more comfortable afterwards. REDUCES NECK & SHOULDER PAIN: Gently supports the head and neck areas to reduce pressure, stiffness, and soreness resulting from poor neck support. ERGONOMIC CONTOUR DESIGN: This revolutionary pillow offers the correct orthopedic support for your head, neck, shoulders, and spine. SOFT PILLOW COVER: The removable pillow cover is made from Tencel fabric. It is a soft, breathable, and absorbent material with a smooth finish that feels silky soft.