• Ergonomic design for perfect spine alignment• Removable head pillow and soft-padded armrest offer perfect support• High backrest and wide seat contours to your back, lumbar, and hips• Rocking tension control for a dynamic movement and fatigue relief• Pull lever for height adjustment and rocking lock• Comfortable upholstered seat is padded with high-density sponge• 2-tone faux leather is soft, skin-friendly and easy-to-clean• 5-claw metal base with smooth-rolling PU casters for easy movement• Assembly needed