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 nights 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. Features: With an easily removable and zippered cover, easy to wash Molds to the shape of your head Relieves pressure and stiffness TIPS: 1.When unpacking, you may smell a nature odor. Please do not worry, it is a natural fresh latex odor and it is not harmful for human body. The odor will fade within 24 hours from when the latex pillow is unpacked and aired out. 2.Only take off the outer case for washing. Place the Latex Pillow in ventilated. Avoid direct exposure in the sun. Pillow core cannot be washed But pillowcase can be washed The contoured memory latex pillow soothingly supports your head and neck Latex pillow for sleeping is with ergonomic low and high side design Can use the appropriate height according to your own physical habits