This padded carpet liner is made to grip, keeping your throw rug and rug from slipping, bunching, or sliding during daily use. Place the rug liner on a clean dry floor to keep rugs in place. Its strong grid pattern allows air to circulate and prevent dirt and dust from settling. It is easy to use. Simply trim to the size you need, lay in place, and roll rug over top, smoothing in place. This rug liner helps protect your floors from the scratching that occurs when a rug move under foot. It is also suitable for use on multiple surfaces such as carpet, vinyl, wood, natural stone, porous and refinished areas, and heated and concrete floors. Details: Light gray Available in multiple sizes Can be trimmed to fit Use as rug, drawer, or shelf liner Can keep futon pads in place Suitable for use on multiple surfaces Vinyl construction For indoor and outdoor use