About This Erogonomic lumber support: Fits the natural shape of the human body, reduces back pressure, and is not tired from sitting for a long time Foldable & stackable chair: Easy to fold and unfold based on your needs, portable and compact, so you can store them by stacking them Comfortable seat: This mesh office chair using high-density sponge cushion, with sufficient resilience, soft, moderately long-term sitting without deformation Strong body: Thickened and sturdy steel frame makes the chair stable as a mountain, the maximum capacity is 275 pounds Sliding armrest: Humanized design, designed for different people's habits Overview Brand : BROBRIYO Color : Black Product Dimensions : 23.62"D x 24.4"W x 32.28"H Size : 40 PACK Back Style : Mesh Material Metal : Item Weight 15 Pounds : Material Metal : Item Weight 15 Pounds Frame Material Alloy Steel : Seat Material Type Foam : Frame Material Alloy Steel : Seat Material Type Foam