Serta Perfect Sleeper Oakbridge Hybrid Innerspring Mattress 

Higher quality queen sized Serta Perfect Sleeper Oakbridge Hybrid Firm 12-inch thick mattress in good condition with no stains or any other issues and is very comfortable with a medium feel between soft and firm, is also plenty supportive with no abnormal sagging (or lumping) issues and is a hybrid gel innerspring mattress so you get the best of both types (very comfortable). Selling just the mattress for $100 (Costco new $699). Delivery also available for an extra $50. Description [amazon] "The Serta Perfect Sleeper Oakbridge Hybrid mattress offers the familiar look and feel of a traditional Luxury Firm mattress with the benefits of gel memory foam, plus an advanced innerspring. Your body gets the benefits of Serta’s Cool Action Gel Memory Foam, as well as the individualized support it needs from Serta’s Custom Support Individual Advantage 886 Innerspring. These Individually Wrapped Coils are engineered to provide excellent body-hugging conformability and support to each sleeper. The Serta Perfect Sleeper Oakbridge Luxury Firm mattress offers the tailoring and feel of a traditional firm mattress with the benefits of gel memory foam, plus an advanced innerspring. It is made with a unique set of features to help solve 5 common sleep problems: 1) Tossing & Turning can be reduced with Serta’s exclusive Cool Action Gel Memory Foam, a revolutionary material designed to deliver excellent pressure relief and targeted support. 2) Lack of Support is addressed with Serta’s Custom Support Individual Advantage 886 Innerspring, engineered to provide excellent body-hugging conformability and support to each sleeper. 3) Uncomfortable Sleep Temperature is helped with Serta’s Cool Balance Fabric, which helps regulate temperature at the sleep surface. 4) Partner Disturbance is alleviated with Serta’s TrueSense Design, which works to isolate motion at its source so you can sleep soundly even when your partner moves. 5) Mattress Roll-Off or Sag is prevented with Serta’s ComfortLast Construction with Total Edge Foam Encasement, designed to enhance durability and edge support."