Key Features - Ergonomic Design for Comfort - This task chair features a thick seat cushion covered in skin-friendly PU leather and filled with high-density sponge for a comfortable seating experience. The contoured headrest, backrest, and lumbar support are designed to fit your body curves, offering added comfort. 360° Swivel and Adjustable Height - The ergonomic home office chair rotates 360° for smooth communication and mobility. Its seat height is adjustable between 19.5"-23.5" (49cm-59cm), catering to users of different heights. Rocking Function and Flip-up Armrests - A 90°-105° rocking function is available and can be locked or unlocked with the adjustment lever for break-time relaxation. The 90° flip-up armrests can be folded down to support your arms or flipped up to save space. Durable and Stable Construction - Built with a premium gas lift cylinder and a sturdy 5-claw base, this office chair supports up to 350 lbs (160 kg). The PU leather surface is waterproof and wear-resist