Why do I need underlay for my rug or mat? Stop your rug or mat from slipping on hard/smooth floors and creeping on the carpet. Reduce the risk of slips, trips, and falls from rugs or mats. Help maintain the appearance of a rug or mat for the duration of its lifetime. Stop your rug or mat from curling at the corners and pushing up against furniture. Stop abrasion on timber or delicate floor surfaces. Provide extra cushioning Why choose this Premium All-Surface Underlay? This is a high-performance, premium underlay that has been developed and engineered to obtain the best anti-slip performance on hard/smooth floors (grey side) and the best anti-creep performance on the carpet (black side). Unlike inferior alternatives, this product is made in the USA and will continue to work long past the life of your rug or mat - Made of two sheets of polyester fibers, needle punched together, and coated on both sides with a specially formulated water-based, pressure sensitive, dry resin system. This specially formulated coating allows it to outperform other underlays that are treated with a plain polymeric-acrylic adhesive. It is thicker and denser compared to other underlays which produce a light cushioning effect and prevents horizontal movement which causes rucking. Suitable for use with underfloor heating not exceeding a temperature of 32 degrees Celsius. Repositionable, odourless, breathable, and harmless to all floor surfaces, rugs, and mats. Rug Pad Size: Rectangular 180 x 280cm