Serta Perfect Day iSeries (Applause Firm) Vantage Firm Mattress Set (King) (10 Years Warranty)(FREE set up and removal in LA)We have a bedding license from Serta and other major brands Traditional firm feel with the benefits of gel memory foam Cool Action&trade; Dual Effects&reg; Gel Memory Foam helps relieve pressure while providing targeted support and enhanced cooling comfort Serta&reg; Support Foam creates a firmer feel Duet&reg; Coil Individually Wrapped Coil-in-Coil Support System responds to each sleep partner individually for cradling comfort and deep postural support Replaces #1 rated Applause model Replaces #1 rated Applause model Mattress + Box Spring