【Easy to Store】The storage size is ultra-compact at 11cm (length) x 11cm (width) x 5cm (thickness). When expanded, it inflates to 36cm (width) x 25cm (length) x 10cm (height), supporting a comfortable sleep on airplanes. The travel pillow weighs only about 80g, so it won't take up much space, allowing you to enjoy comfortable travel. 【Easy to Use】With a pump, you don't need to use your mouth. It inflates smoothly in just 30 seconds, and you can adjust the air volume to your preferred firmness. Furthermore, deflating the pillow takes only 5 seconds, making it quick and easy to pack away. 【Adjustable Size】It has two buttons, allowing you to adjust to your optimal comfort level. It's widely popular among people of all ages, from young people to the elderly. It's unisex and can be used by both men and women. 【Excellent Materials】Made with elastic TPU fabric and durable nylon. It doesn't pill or shrink, making it an essential item for supporting a comfortable sleep. The interior is made of high-elastic PVC liner, providing reliability, durability, and airtightness. *Note: You can wash it with clean water (it is not recommended to use bleach), but do not put water inside the air chamber; if it gets dirty, it is recommended to wipe it with a wet cloth. Washing machine is not allowed. 【Applicable to Various Situations】It reduces the burden of long journeys on airplanes, bullet trains, and buses. It can also be used as a cushion for car seats and chair backs, allowing you to relax in the office or while traveling. It's a great item for yourself or as a gift for family and friends.