[500LBS Big & Tall Office Chair]: This swivel computer desk chair is equipped with a heavy duty metal base and solid gas rod, ensuring high security and strong support up to 500lbs. Besides, this office chair features an extra large seat and high back, which is a humanized design for big and tall users and can greatly enhance work efficiency. [Ergonomic Design with Upgraded Armrests]: Padded armrests are superior to the previous ones, which is more comfortable and will not jamming your thighs any more. Filled with high elastic sponge, this big & tall office chair takes the softness to high level.