30 oz/sq yd 100% post consumer recycled PET fabric reclaimed from plastic drink bottles Backing is made of 100% crumb rubber from recycled tires. Environmentally friendly with a total post-consumer recycled content of 96%.3/8" thick bi-level surface effectively removes and stores dirt and moisture beneath shoe level until cleaning. Rubber reinforced face nubs prevent pile from crushing, extending the performance life of the product. Recommended for commercial buildings, hotels, restaurants, healthcare facilities, office buildings and more.