keltfos Queen Mattress in a Box 12 Inch, Back Pain Relieving, Latex Hybrid Mattress Queen Size with Pocket Coils, Motion Isolation & Dynamic Pressure Relief & Luxurious Comfort, Medium Firm Responsive Support is up for auction in Home & Kitchen. The current bid is $125.00, 69% below the $399.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.