Plush, Reversible, 2' x 8' SUPREME HOLD(TM) Felt/Rubber Runner Rug Pad for Hard Floors/Carpet Felt and rubber for use on hard floors or carpet. Rubber side down on hard floors, rubber side up on carpet Super gripping strength to prevent area rugs from slipping and wrinkling on hard floors or carpet Non-allergenic, no chemicals - Meets GREEN LABEL requirements - Low VOC 100% recycled felt surface, 100% rubber lower surface - Does not harm floors Easy to trim with scissors if necessary