The design of the chair is simple and elegant, smooth lines, in line with the aesthetic needs of modern office environment The barstools are made of a padded metal frame that can support up to 300 lbs. The cushion is made of high-density foam to provide you with a more comfortable sitting position. The just-right low backrest supports the lumbar area better. There is also a black non-slip rubber ring on the bottom These barstools can match kitchen islands and bars with a lift handle so different counter heights can be easily matched. The base swivels 360° for easy orientation changes Easy to Assemble: The package comes with detailed instructions and installation tools, just follow the instructions and you can install it in 15 minutes