๐๐ฎ๐ฉ๐๐ซ๐ข๐จ๐ซ-๐ ๐ซ๐๐๐ ๐ฆ๐๐ญ๐๐ซ๐ข๐๐ฅ: OhGeni upgraded thicker 40% PVC material delivers lasting durability and reliable support. The strengthened surface offers long-lasting durability against wear and tear. Enjoy stable comfort with quiet, non-slip base that stays firmly in place throughout the night