â- Ergonomically curved mesh backrest conforms to spine curvesâ- Soft padded seat improves sitting comfortâ- With ventilated holes under the seat for heat dissipationâ- 4 universal casters allow the chair to move with easeâ- Heavy-duty metal frame withstands 330 lbs of weightâ- Chairs can be stacked for storage in compact cornersâ- Easy to put together thanks to the details instructionâ- Ergonomic Design - This stacking office guest chair features a curved backrest a thick seat cushion and sturdy integrated armrests which give your back and hips optimal support allowing you to sit for extended periods of comfort.â- Practical Stacking Feature - These lightweight waiting room chairs are stackable making them easy to store and perfect for conserving space in your conference rooms reception areas halls or any office setting.â- Selected Material - The office desk chair has a breathable mesh back for better ventilation. And the seat cushion is padded with a high-density sponge for