【Ergonomic Backrest Design】 The bar stool backrest conforms to the ergonomic curved design, the thick backrest cushion supports the lumbar region, providing support for the lumbar region and relieving pressure on the back, providing a more comfortable and relaxing office experience. 【Enlarged Cushion】The cushion and backrest are made of high-density thickened sponge and high-quality wear-resistant PU leather, which is wide, soft and thick, providing you with unparalleled comfort. The bar stool also comes with a built-in footrest, you can put your feet on the footrest for a more comfortable sitting experience. 【Multifunction Adjustable】Kitchen bar stools are adjustable between 24.2-32.5 inches, allowing you to comfortably transition as needed. The seat swivels 360 degrees, allowing you to relax during casual conversations. 【sturdy construction and Easy Installation 】Sturdy metal frame and built-in footrest provide a solid and sturdy structure for the bar stools, which can hold up to 250 pounds for durability. The instructions will guide you through the quick assembly of the barstools, and we've also uploaded an installation video for your reference. 【♥Warm Tips】Each box contains 2 chairs. If you purchased a "set of 4", there will be 2 boxes shipped and may arrive on different days, please give it some time and thank you for your patience.