Sleep Master Ultima Comfort 12 Inch Euro Box Top Spring Mattress, Twin Price:  $160.54 (as of 18/10/2017 12:53 PST- Details)

Comforting, customized support from iCoil Pocketed Springs and a Foam and Fiber Quilted Euro Box Top Cover
The iCoil technology ensures motion separation for a consistently comfortable night’s sleep
Only the Highest Quality of Foam – Foam is CertiPUR-US Certified for durability, performance, and content