Side Sleeper Pillow, Support Desk Bed Travel Neck Nap Arch Head Lumbar Tunnel Shaped Ice Silk Fabric Slow Rebound White Memory Foam Pillows for Home, Office and Car Use Quality: Inner material: polyurethane memory soft foam, fiber sheet frame Outer material: breathable soft heavy gsm cover Color: white Features: 1. Absorb the impact force. When sitting on the top, the soft memory foam pillow feels like floating on the surface of the water or the cloud. The skin feels like no pressure. It is also called zero pressure. Sometimes we use the normal pillow to compress the auricle, but it will not appear when using a slow rebound pillow. This is the case. 2. Memory deformation. The ability to automatically shape the head can fix the head and reduce the possibility of stiff neck; the ability of automatic shaping can properly fill the shoulder space, avoid the common problem of air leakage in the shoulder, and can effectively prevent cervical problems. 3. Breathable moisture absorption. Since each cell unit is interconnected, the firm memory foam pillow has an excellent moisture absorption properties and is also breathable. 4. The shape of the firm memory foam pillow wave can maintain the level of the neck, suitable for those with sore shoulders, and the service life needs to be replaced after about 3 years. The memory foam pillow should not be washed. It is recommended to dehumidify it once every 2 weeks with a dehumidifier. Also, take it to the ventilated place for 30 minutes, do not expose to a high temperature to avoid hardening. 5. The rebound time of the memory foam the pillow is generally 3-5 seconds. Note: The inside memory foam can not be washed. Don't sit and stand above the pillow. the inner layer can be damaged.