Usage: 1. Place this cervical pillow flat on the bed, sofa or flat place you want to use. 2. Adjust the position and align the neck and pillows, then completely relax the neck, lying down, naturally hanging. 3. Make sure there is no gap between the pillow and your shoulders, and then you can lay on it to fall asleep. Notes: 1. If you feel uncomfortable at first, this is normal, please wait 1-3 days to get used to it. 2. When washing, remove the outer pillowcase for cleaning, the color of other clothes may be transferred to the product, so please do not wash it together with other items, and then store it in a ventilated and dry place. (The inner pillow cannot be cleaned) 3. When the weather gets cold, the pillow will harden. After receiving the pillov.it is recommended to put it in a warm room for about 24 hours, it will become soft.