Rubber wood frame is sturdy and long-lasting. Reinforced crossbars enhance the overall strength. Premium polyester upholstery is wear-resistant and breathable. Soft sponge filling makes the cushioned seat soft and supportive. Curved backrest offers excellent lumbar support by following the natural contour of your spine. Curved seat promotes better posture and reduces pressure points. Suitable for various scenes including dining room restaurant or study. Assembly is required. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See www.P65Warnings.ca.gov.