Polyurethane Seating is exclusively designed for outstanding comfort and long lasting use in a variety of workplace environments, including industrial, scientific, medical, laboratory, cleanroom, and electronic assembly applications. Built with extraordinary care, these durable chairs offer total body support with advanced ergonomic features that improve productivity and reduce worker fatigue. Rugged self-skinned polyurethane seat and back resist stains and damage from punctures, grease, water, and chemicals. Ventilation ribs increase air circulation, comfort, and ease of cleanup.