Product information:Material: cottonColor: black and graySpecification: 53 * 20cmWeight: 0.26kgPackage list: 1 * carrying massager, 1 * eye mask, 1 * door cardRELIEF NECK FATIGUE: Portable neck hammock uses cervical traction to gently stretch the neck, thereby increasing blood flow, oxidizing the surrounding muscles, reducing pain and increasing the flexibility of the neck and shoulders.HIGH QUALITY MATERIALS: the outside of the hammock neck hammock is made of high quality cotton, soft and comfortable. The core of the pillow is made with a high density memory foam core and rebound for comfortable decompression.10 MINUTES A DAY: 10 minutes a day are enough to properly stretch the neck and relieve tension. After a few weeks, you will feel an improvement in the neck and shoulder muscles. Ideal for office workers, students, athletes, workers, drivers, etc.EASY TO TRANSPORT AND USE: It takes 10-20 seconds to connect the traction of the neck from the neck to the door jamb, to the door