ZINUS 8 Inch Green Tea Cooling Gel Memory Foam Mattress / Cooling Gel Foam / Pressure Relieving / CertiPUR-US Certified / Bed-in-a-Box, Twin Mattress Only 8 Inch Twin - Walmart.com
Linenspa Essentials 8-in Twin Hybrid Memory Foam/Coil Blend Mattress in a Box in the Mattresses department at Lowes.com