Premium, reversible non-slip rug pad designed for hard surfaces and carpet * Extends the life of your Area Rug; Adds Cushion Underfoot; Keeps Rugs Securely in Place * Low VOC (meets or exceeds Carpet and Rug Institute Green Label low emission standards); Hypo-allergenic; Satisfies credit requirements for USGBC LEED Rating Systems * 45 ounces; 100% Natural Rubber and 100% Recycled Felt * Premium Grip(TM) Rug Pads are guaranteed not to mar, stain, or discolor floors or carpet for 15 years