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Available in Firm and Medium Firm
Twin – 239.99
Twin xL -259.99
Full – 319.99
Queen – 349.99
King/Cal King – 379.99

The Serene™ foam mattress is made with 2" of Serene™ foam. The base consists of 8" high resiliency foam that has been specifically designed for lasting support, comfort and durability.

https://www.costco.com/comfort-te…ornia+king