⦿ This travel pillow are made of PVC material and flocking fabric. It has a U-shaped curved structure, provides excellent neck support according to ergonomic design, perfectly fits the neck curve. It can effectively relieves neck pain and fatigue, which provides you with the largest comfortability.⦿ Our neck pillow has a unique built-in air pump. No need to blow air into the pillow with your mouth and spread germs, just make sure the air valve seal at the bottom side is closed, open the small air seal valve plug on the pump, then start pressing the air pump button. To increase firmness, press the pump button longer to make it firmer, or release the air valve seal at the bottom to decrease firmness.⦿ This neck pillow is small in size and lightweight. It can fits easily into a bag or pocket for easy access. It saves your space effectively before inflation. After use, the exhaust can be put into the bag and can be used anytime, anywhere.⦿ This ergonomic design neck pillow will let you get well rested during travel, flying, outdoor trips, on all kinds of transportation, or simply get comfortable and relaxed at home watching TV, taking a nap, sleeping, studying, or in office reading.