Office Chair/Massage Office Chair 53779537Features: Ergonomic line design with high density 35D sponge double tier padding, provides extra comfort Heavy duty design can hold up to 350lbs with a wide seat, great for big and tall users Diamond faux leather is luxury and chic, mesh design adds breathability 4 level rocking function for taking a break, it can adjust rock tension itself according to user weight Adjustable height can match your desk or your sitting style High end gas lift and