ERGONOMIC DESIGN The ergonomic design uses high elastic sponge on both sides to fit the curves of your shoulders and neck and firmly supports your neck and head for a comfortable sleep time The amount of urethane means that the exquisite amount of skin does not cause neck fatigue 5 LAYER CONSTRUCTION The surface of the camping pillow is made of 30D high elastic material that gently wraps your head and neck The middle layer uses a highly elastic sponge that fits snugly on the head and makes it more comfortable to sleep on COMPACT SIZE When you open the valve and press the button inside you can easily deflate the air and fold it into a small size for storage Compact and easy to carry comes with a dedicated storage bag making it easy to carry for solo camping and touring USEFUL IN MANY PLACES Not only can it be used for outdoor activities such as camping mountain climbing flower viewing and traveling but it is also suitable for a variety of occasions such as napping on lunch breaks office car sleeping in the car night bus airplane etc