Super-Lock Natural by RUGPADUSA is a natural rubber rug pad. Excellent choice for slipping and sliding area rugs. 16 oz/sq.yd. of thick natural rubber that's going to grip your floor while adding some comfort to the rug. Open weave construction allows flooring surface to breathe and the added airflow also improves cleaning when vacuuming the rug. Super-Lock Natural rug padding is designed for high traffic areas of the home where slipping hazards may be present. This non skid rug underlay will provide a safe, secure foundation for your runner or area rug. Super-Lock Natural is manufactured in the USA with the highest quality materials. Super-Lock Natural is a mbdc cradle-to-cradle, leed (leadership in energy and environmental design), and cri Green label plus for Green air quality. Super-Lock Natural is safe for your home and family and is safe for any floor when used in line with flooring manufacturer's guidelines. For maintenance, periodically sweep under rug to remove any dirt or dust that falls through your area rug and through the carpet pads open weave design.