1High-density sponge, no irritation to the skin, skin-friendly and not allergic 2Neck ergonomic design, conforming to the human neck structure design, effectively supporting the neck 3High-intensity hook and loop design, not easy to fall off and shift 4Can be used to limit neck movement, while reducing the burden on the cervical spine caused by head weight 5Relax muscles, eliminate pain and nerve compression, prevent bone deformation and soft tissue contracture
