We believe comfort is something that should endure day-after-day. That’s why every Serta iSeries® Hybrid sleep system is backed by Serta’s 10 year limited warranty (click here for details). We build our iSeries® Hybrid mattresses from the bottom up with the highest quality materials for years of outstanding comfort and support. All Serta iSeries® Hybrid mattresses are designed and assembled in the USA, leveraging Serta’s 85 years of manufacturing expertise. Plus, all Serta foams are Certi-Pur® certified, meeting their standards for content, emissions and durability, and are analyzed by independent, accredited testing laboratories. The focus on quality is one of the reasons that Serta has earned the Women’s Choice Award for mattresses for 4 years in a row.