This is a pillow made of sandwich mesh fabric. Fabric uses breathable mesh material, pillow surface is soft and skin-friendly, with numerous breathable mesh holes. The pillow core adopts chip design. There are about five pieces of 3D mesh fabric. 3D mesh cloth has good support, long-term use will not be deformed. The design of the insert allows the pillow to adjust its height at will, which is more suitable for different people's needs for the height of the pillow.