Skin-friendly velvet fabric, soft to the touch, skin-friendly and comfortable, absorbs sweat and breathes, and protects the cervical spine. Exquisite seaming, smooth wiring, firm and durable, no troubles.High standard zipper stitching, hidden in the fabric, maintains functionality on the basis of beauty and comfort. Hollow out design, take a nap, arms are no longer sore and numb; the slope is raised design, the cervical spine is not sore when the head is raised, it matches the slope design for sleeping on the stomach, the head is raised, the pressure on the cervical vertebra is reduced, and it is easy to sleep on the stomach Comfortable.The hollow design allows for smooth breathing, and the mid-hole ventilation design allows for smooth breathing when lying down. Enlarged the middle hole, combined with the L-shaped hollow design, when you sleep with your head down, the air can be free and smooth, and the breathing is smooth and not stuffy.Nap artifact can be used as a headrest. It can be hung on a chair without taking up space, and can be used as a headrest when you are working or studying for a long time when the cervical spine is uncomfortable to relieve your cervical spine discomfort.