2'x12' Multiple Sizes. AREA RUG PAD. Manufacturer: Carpenter Style: Glacier PREMIUM 1/2" Visco-Elastic Memory Foam with DuPont Spillguard barrier technology. For area rugs, runners and carpet. By far the DENSEST Visco-Elastic MEMORY FOAM cushion for the feel under your feet. A full 1/2" THICK pad! Hypoallergenic - ozone friendly (no CFC's) Makes any carpet or rug feel more luxurious under foot. Protects your investment by enhancing carpet performance. DuPont Active Layer RS renewably sourced moisture barrier film.