Yaheetech Set of 2 Height Adjustable Swivel Mesh Office Chair Mid-Back Black

Durable construction with hard-wearing nylon mesh, solid rolling casters, and an SGS-certified gas cylinder Breathable mesh backrest design promotes better airflow and supports your spine's natural curve Larger seat size measuring 52.5cm/20.7'' (width) by 51cm/20'' (depth) and 7cm/2.8'' thick for optimal comfort