【Premium Materials Create Better Comfort】This set of 2 swivel bar stools is crafted from water-resistant PU leather, high-density foam, oxidation-resistant electroplated steel and sturdy plywood. The high-resilience foam-padded cushion and back are designed for ultimate durability and comfort. 【Heavy-duty & Safe】The stool seat with an SGS-certified gas lift system ensures the smooth maneuverability of lifting and falling. With a sturdy steel frame, each stool is capable of supporting up to 136kg/300lb, durable and safe to use. 【ErgoDesign Stool Shape】This pair of ergonomic stools features a 44cm/17.3″ wide seat, thick foam-padded cushion, and curved shell design back that provide extreme comfort, supporting and relaxing your back and legs.