Ecotex Marlon BioPlus Rectangular Polycarbonate Chair Mat for Low/Medium Pile Carpets, Rectangular, 45" w x 53" l, ClearEcotex Marlon BioPlus Polycarbonate Chair Mats provide the ultimate in quality, function and durability. Produced using a Mass Balancing bio circular process with both the resin and chair mat manufacture ISCC certified. (International Sustainability & Carbon Certification). With twice the impact strength of PVC, the perfectly flat and rigid material provides an ergonomic easy glide surface for caster based chairs, which can reduce leg fatigue and