Ikea Rug Underlay Pad with Anti Slip Carpet Stopp Filt 6 X 8' Felt Underlayment Rug underlayment helps stop your rugs from sliding around underfoot Holds your rugs in place - easier to walk on or vacuum Place under your rug for safety. Actual measurement 5'5" x 7'9" Helps stop your rug from sliding on most any surface - tile, wood, vinyl, cement Adds a layer of insulation between rug and cold floor