1. Ergonomic design of travel pillow, multi-angle protection of cervical spine. The shape of the back hump is perfect to fix the cervical spine, which can prevent the head from sliding or leaning forward; Curve shape design on both sides, more fit the neck, reduce the pressure on the chin2. Advanced slow rebound memory cotton pillow core, comfortable and breathable, provides good 3D support for head, neck and chin, and relieves neck pain during travelThe pillowcase is made of ultra-soft spandex fabric, which is skin-friendly and breathable, providing maximum comfort for your journey. It features an invisible zipper that makes the pillowcase detachable and easy to clean3. Space-saving and portable packing pads. The pillow is easily compressed down and collected in a holding bag. It can be attached to your luggage for easy carrying.4. U-shaped neck pillow has adjustable buckles and sturdy straps, which can adjust the Angle and size of the pillow at will to meet the requirements of different neck sizes. This is a great travel neck pillow for naps on planes, cars, trains, camping, home use and office work.