We use safe memory foam material filling, CertiPUR-US certification. Memory foam has high elasticity, fast rebound, good support, long use will not collapse deformation characteristics, with our shredded technology and mixed with microfiber, so that the pillow core in addition to maintaining the advantages of memory foam to increase the soft comfort, so that the balance between firm and soft. Pillow using two different characteristics of the fabric.Side A fabric is made of rayon derived from bamboo fiber, so that the fabric is soft and breathable, in the fall and winter season to bring you warm and comfortable.B side of the fabric using ice silk technology, the surface is cool and silky, fast dissipation of heat, in the spring and summer season do not have to worry about sleeping more and more hot. When you lie down the shredded memory foam filling will fit the curve of your head and neck, dispersing the pressure of sleep and relieving muscle tension. Whether you sleep on your side, your back or your stomach, this is the right bed pillows for you! If you feel that the pillow is too high or too hard, you can achieve the right feeling for you by taking out part of the filling. Your approval is our goal. If there are any problems, you can contact us, we will take your problems seriously and give you a timely and satisfactory solution.