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 The kitchen counter bar stools set of 2 packed with assembly instruction, screws and assembly tools, each bar chair only needs 3-5 minutes to finish the installation. NOTE: Be sure to remove the plastic protective caps from the air rods before installation These swivel bar stools for kitchen island are stepless height adjustable within 9.4 inch and 360˚ rotatable. Stylish and unique appearance. An excellent design piece for every living room, bar, bistro, home office, kitchen, dining room, counter, coffee shops, restaurant or any other decoration theme