Extremely durable and resilient chair mat for all flooring types and Big & Tall applications. Highly rigid, hard surface provides less friction and dishing compared to traditional chair mats. Heavy weight chair mat for All-day use on all pile carpets and hard floors. Protects flooring from caster wear, spills and heavy traffic. Exceptional clarity highlights the beauty of your fine flooring. Straight edge. Clear. Greenguard Gold certified.