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