Mute Wheels This saddle stool with wheels are rolling smooth and doesn t make a noise during use, so with this saddle chair, you will enjoy a silent working time. And this rolling stool can t cause scratches on any kind of floors. What s more, aluminium alloy base makes the stool chair stronger and more load-bearing by contrast to plastic ones. Thick Saddle Seat This saddle seat is built to last. The professionally designed saddle seat cushion of this roller stool, upholstered in PU leather and filled with high-density sponge, aims to promote comfort for users. The sleek and ergonomic appearance of the stool chair adds a touch of contemporary, enhancing the overall utility.