nishikawa structure that supports the neck and 3D easy to sleep on your fits around the height made in Doctor 65 x 40 Gray [Nishikawa] Pillow,

Size: 65×40cm [Pillow body] Outer material: 100% polyester; Lining: 65% polyester; 35% cotton; Filling: polyethylene pipe; [Height-adjustable sheet] Side material: 100% polyester; Filling: urethane foam; [Country of origin] Japan A doctor sleep pillow that supports the neck (cervix) and head with a special three-dimensional quilt. Firm support reduces the feeling of touching the floor. The neck and both sides have a two-layer structure, with the upper pipe flowing to follow the shape of the neck when sleeping on your back or side, while the lower part is fixed and provides firm support. The shoulders are curved for a snug fit, so you can sleep comfortably. Comes with 2 height adjustable seats. You can adjust the height to your preference by taking the seat in and out. In addition, the filling pipe can be inserted and removed from 5 locations on the back, allowing for more precise height adjustment. It can be washed in your home washing machine, so you can always use it comfortably.