Walmart discounts the Spa Sensations 6" Memory Foam Mattress in various sizes, as listed below. Plus, all items qualify for free shipping. Each features a memory foam top layer and high-density foam base layer. The deals:
  • Twin for $109 (low by $51)
  • Twin XL for $119 (low by $63)
  • Queen for $159 (low by $44)
  • King for $179 (low by $91)