Enhance your office seating experience with this breathable mesh backrest armrest attachment designed for improved comfort and support. The ergonomic curvature conforms to spinal contours to promote proper posture alignment during extended sitting periods. Constructed from durable nylon PP material, this attachment maintains structural integrity and resists deformation over time. The breathable mesh design allows for optimal air circulation, keeping you cool and comfortable throughout long work hours. Universally compatible with most office chairs, computer chairs, and swivel chairs, this attachment offers an easy upgrade solution for your existing furniture. Installation is straightforward with pre-drilled screw holes that require no special tools. Size Chart: 43cm x 42cm / 16.93inch x 16.54inch Package Includes: 1 Chair Back Armrest Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.