Ecotex Marlon BioPlus Polycarbonate Chair Mats provide the ultimate in quality, function & durability combined with sustainable material & manufacture. Produced using a "Mass Balancing Bio-Circular" process with both the resin & chair mat manufacture ISCC certified. (International Sustainability & Carbon Certification). With twice the impact strength of PVC, the perfectly flat & rigid material provides an ergonomic easy glide surface for caster-based chairs, which can reduce leg fatigue & lower back strain. Guaranteed not to crack, curl, discolor or smell. Free from Phthalates & PVC. An ideal choice for people with allergies. Manufactured using 100% renewable energy, including solar & wind power. The resin manufacture is climate neutral with a 100% reduction in carbon emissions. Contains 89% non-fossil based bio-circular material, such as used cooking oil. 100% recyclable. Marlon BioPlus mats lie perfectly flat from delivery for immediate use. Mat Type: Chair Mat; Application: Low / Medium Pile Carpets up to 0.5" Thick; Width: 29"; Length: 47".