Height-adjustable: The stool's height can be adjusted from 61.5-83cm/24.2-32.7″, making it suitable for people of all ages and different tables. The chair also has an SGS-certified and effortless adjustment system, ensuring stability and safety Ergonomic Backrest: The bar stools have high-density foam cushions and smooth synthetic leather covering for a comfortable experience. The backrest of the stools is ergonomically designed to reduce fatigue and help relax the body Expanded Base for Improved Safety: The diameter of the metal base is increased to 41.5cm/16.3″, further upgrading the stability and safety when you sit on the stool. The wider stressed area reduces the stress of the base thus improving the service life of the stool Rotatable Seat: Our chair features a seat that can rotate 360°, allowing for seamless conversations without the need to stand up or reposition oneself Easy Maintenance: The dining stool set is designed with a water-resistant and anti-wear surface, making it easy to maintain. No special care is needed, just regular maintenance will keep it looking new even with frequent use