Comfortable : The seat cushion of this massage swivel stool is made of PVC and flexible cotton, very comfortable , easy to maintain and clean. Swivel : The cushion seat and wheels are free to rotate, you can use this swivel stool in the office or kitchen and other places free movement, very convenient. Adjustable height : This high stool chair has a larger range of adjustable height ( 52 cm to 72 cm ), about 6 cm taller than regular stools, it can be adapted to more usage scenarios.