Superior-Lock 7/16" is our premium rug pad, featuring a signature black, waffle-textured natural rubber backing for an improved grip. Superior-Lock keeps your rugs anchored firmly in place, while the dense 32oz sq/yd felt cushions your rug. The heat-pressed and needle-punched felt is designed to mesh with the rugs backing, preventing shifting, as well as bunching or wrinkling, which can stress the weave or stitching of your rug. Superior-Lock 7/16" includes a 15oz sq/yd natural rubber layer with an additional 5oz face coat, which reinforces its non-skid properties. This product is safe for your family and home and helps protect your floor"™s finish. This is a low VOC pad made in the USA with only the highest quality materials with no adhesives, glues, or PVC. Superior-Lock 7/16" features sound insulation, as well as acoustic benefits. Superior-Lock is backed with a 5 year warranty.