The set of 2 stackable rolling office chairs features an ergonomic design with a curved backrest, thick seat cushion, and sturdy integrated armrests, providing optimal support for your back and hips for extended comfort. These lightweight chairs are stackable, making them easy to store and ideal for saving space in conference rooms, reception areas, halls, or any office setting. Each chair includes a breathable mesh back for ventilation and a high-density sponge seat cushion with ventilation holes to prevent stuffiness, ensuring long-lasting comfort. Built with a heavy-duty metal frame, each chair supports up to 330 lbs and is equipped with 4 smooth rolling casters for easy mobility, allowing you to arrange seating quickly for meetings or lectures. With a contemporary and sleek appearance, these chairs add elegance and professionalism to any workspace. The chairs are black or gray and made from metal, nylon, mesh, sponge, and plastic, with overall dimensions of 22.5" x 23" x 32", seat