Neo Ergonomic Mid back Mesh Office Chair (Grey, Black, 1) Breathable Mesh Back and Mesh Fabric Seat. * Products may be small for some big adults. Please check the size * [Seat Size]: 18.7" x 22.0" (475 mm x 559 mm) [Product Size]: 21.0" x 22.0" x 34.0"-36.5" (W x D x H) Maximum Weight Capacity - 225 LB.