More comfort and safer road trip journey! This 3D concave car neck pillow is ergonomic designed with high-density memory foam,full support your neck head and shoulder,correct your sleeping posture,prevent neck pain and stiffness. Comes with an extra Hidden bag hook for back seat passenger. Relieving neck muscle tension and stiffness. Heights adjustable,suitable for adults and kids. 5 Directions adjustable:up and down,front and rear,angle rotatable. Soft side support for leaning sleeping. Enjoying your sweet car nap time! Provides comfortable support around your neck head curves,full fill all the gap between neck and car seat. a. Comfortable Head Support The top part of car pillow is filled with thick memory foam,that will provide an extra head support for passenger and driver. b. Neck Save Thanks it’s exclusive 3d concave curves,the car pillow will full hold your neck,no neck pain and long-term driving fatigue again. c. Comfort Shoulder Cushion Carefully designed for comfort shoulder support, great helpful to prevent pushing passenger's head forward at an awkward angle in the car. Angle Adjustment The adjustment angle is 30-150°, which can be adjusted according to your own comfortable angle. Front and Rear Adjustment There are 5cm adjust range for front-back direction,simple click the button,then push the car pillow back and forth to fit car seat. Up and Down Adjustment There are 7CM range for adjusting the car pillow up and down. Easy to Install install the support parts to the metal pole of car seat,then fix the pillow cushion.