EcoTex Revolutionmat, 100% Recycled Chair Mat for Hard Floors, Rectangular, Tinted, 48" x 79" (FRECO4879EP) Eco-friendly chair mat made from 100% recycled PET - reclaimed from used plastic drink bottles This chair mat protects your carpet from dirt, wear and damage caused by chair casters Mat is designed for easy-glide movement for chair users - which can reduce leg fatigue Produced using up to 30% renewable energy from our factory's on-site wind turbine; 100% recyclable chair mat; PVC free Smooth back for use on hard floors; rectangular; 48" x 79"; mat size may vary slightly due to manufacturing process