Non-studded design protects hard floor surfaces from caster wear, spills and heavy traffic. Ideal for anytime use on wood, tile, laminate and other hard floors. Easy-glide rolling surface provides effortless chair movement. Free and Clear non-orthophthalate, non-cadmium formula promotes a healthy work environment while offering exceptional clarity and durability. Classic straight edge finish. The entire line of Deflecto chair mat is GREENGUARD Gold Certified.