Pvc Double Cap Valve and adjustable height design: The inflatable flight footrest pillow has a 2-in-1 double valve for easy inflation. Three kinds of height adjustable 5", 10", and 15" can meet your different height needs. inflated to 15"x15"x15" sitting/ floating cubes whenever you need. Many uses: Footrest pillow can be used for footrest in the office, airplane, cars or at home, suit for women and men, help feet relax. Package includes 1*foot pillow; 1*dust cover; 1*Inflator (random style and color); 1 storage bag, easy to carry. Can be compressed and stored in a small place when not in use. Function: Inflatable travel legs pillow could extend the seat length, soft fabric could sleep on it as a small bed, reduce the fatigue of parents taking care. How to Prevent Air Leaks:1: Open the big valve to inflate by pump, 2：Close the middle valve and continue inflating the small valve, 3：Completely close the valve. inflatable leg rest for airplane travel pillows for airplanes leg rest for airplane travel inflatable travel foot rest pillows inflatable leg rest for airplane inflatable foot rest flight foot rest inflatable leg rest for airplane airplane foot rest airplane travel essentials foot rest for air travel inflatable foot rest airplane inflatable foot rest travel foot rest for airplane flights plane foot rest