1.Maximum comfort and support: The Sondur travel cushion has 49 air chambers that fit your body contour, and the airplane travel cushion can redistribute pressure, providing excellent comfort and support, even on hard or thin cushioned seats 2.Fully adjustable comfort: The airplane seat cushion is fully adjustable, allowing you to adjust the hardness of inflation or deflation by using the builtin air pump and release button 3. and : The expandable seat cushion for air travel is foldable and compact, this lightweight cushion can fit into your carry on luggage or backpack, making it the perfect companion for any trip 4.Protecting hemorrhoids and prostate: Our inflatable seat cushion's unique groove design can effectively provide protection for hemorrhoids and prostate, while air seat cushion avoids trouble caused by prolonged sitting