chixpace dorm room essentials dual layer 4 inch memory foam mattress topper twin xl back to school - 2 inch gel memory foam and 2 inch pillow top mattress pad, 7-zone egg crate 2-in-1 design (white) white twin xl is up for auction in Home & Kitchen. The current bid is $2.50, 97% below the $89.99 MSRP, in Good Condition. Bid on this item at our Mason - Reading Rd - Suite G location before the auction closes.